dlls/iphlpapi/iphlpapi_main.c

   1 /*
   2  * iphlpapi dll implementation
   3  *
   4  * Copyright (C) 2003,2006 Juan Lang
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <stdlib.h>
  25 #include <sys/types.h>
  26 #ifdef HAVE_SYS_SOCKET_H
  27 #include <sys/socket.h>
  28 #endif
  29 #ifdef HAVE_NET_IF_H
  30 #include <net/if.h>
  31 #endif
  32 #ifdef HAVE_NETINET_IN_H
  33 # include <netinet/in.h>
  34 #endif
  35 #ifdef HAVE_ARPA_INET_H
  36 # include <arpa/inet.h>
  37 #endif
  38 #ifdef HAVE_ARPA_NAMESER_H
  39 # include <arpa/nameser.h>
  40 #endif
  41 #ifdef HAVE_RESOLV_H
  42 # include <resolv.h>
  43 #endif
  44
  45 #define NONAMELESSUNION
  46 #define NONAMELESSSTRUCT
  47 #include "windef.h"
  48 #include "winbase.h"
  49 #include "winreg.h"
  50 #define USE_WS_PREFIX
  51 #include "winsock2.h"
  52 #include "ws2ipdef.h"
  53 #include "iphlpapi.h"
  54 #include "ifenum.h"
  55 #include "ipstats.h"
  56 #include "ipifcons.h"
  57
  58 #include "wine/debug.h"
  59
  60 WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
  61
  62 #ifndef IF_NAMESIZE
  63 #define IF_NAMESIZE 16
  64 #endif
  65
  66 #ifndef INADDR_NONE
  67 #define INADDR_NONE ~0UL
  68 #endif
  69
  70 /* call res_init() just once because of a bug in Mac OS X 10.4 */
  71 /* Call once per thread on systems that have per-thread _res. */
  72 static void initialise_resolver(void)
  73 {
  74     if ((_res.options & RES_INIT) == 0)
  75         res_init();
  76 }
  77
  78 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  79 {
  80   switch (fdwReason) {
  81     case DLL_PROCESS_ATTACH:
  82       DisableThreadLibraryCalls( hinstDLL );
  83       break;
  84
  85     case DLL_PROCESS_DETACH:
  86       break;
  87   }
  88   return TRUE;
  89 }
  90
  91 /******************************************************************
  92  *    AddIPAddress (IPHLPAPI.@)
  93  *
  94  * Add an IP address to an adapter.
  95  *
  96  * PARAMS
  97  *  Address     [In]  IP address to add to the adapter
  98  *  IpMask      [In]  subnet mask for the IP address
  99  *  IfIndex     [In]  adapter index to add the address
 100  *  NTEContext  [Out] Net Table Entry (NTE) context for the IP address
 101  *  NTEInstance [Out] NTE instance for the IP address
 102  *
 103  * RETURNS
 104  *  Success: NO_ERROR
 105  *  Failure: error code from winerror.h
 106  *
 107  * FIXME
 108  *  Stub. Currently returns ERROR_NOT_SUPPORTED.
 109  */
 110 DWORD WINAPI AddIPAddress(IPAddr Address, IPMask IpMask, DWORD IfIndex, PULONG NTEContext, PULONG NTEInstance)
 111 {
 112   FIXME(":stub\n");
 113   return ERROR_NOT_SUPPORTED;
 114 }
 115
 116
 117 /******************************************************************
 118  *    AllocateAndGetIfTableFromStack (IPHLPAPI.@)
 119  *
 120  * Get table of local interfaces.
 121  * Like GetIfTable(), but allocate the returned table from heap.
 122  *
 123  * PARAMS
 124  *  ppIfTable [Out] pointer into which the MIB_IFTABLE is
 125  *                  allocated and returned.
 126  *  bOrder    [In]  whether to sort the table
 127  *  heap      [In]  heap from which the table is allocated
 128  *  flags     [In]  flags to HeapAlloc
 129  *
 130  * RETURNS
 131  *  ERROR_INVALID_PARAMETER if ppIfTable is NULL, whatever
 132  *  GetIfTable() returns otherwise.
 133  */
 134 DWORD WINAPI AllocateAndGetIfTableFromStack(PMIB_IFTABLE *ppIfTable,
 135  BOOL bOrder, HANDLE heap, DWORD flags)
 136 {
 137   DWORD ret;
 138
 139   TRACE("ppIfTable %p, bOrder %d, heap %p, flags 0x%08x\n", ppIfTable,
 140         bOrder, heap, flags);
 141   if (!ppIfTable)
 142     ret = ERROR_INVALID_PARAMETER;
 143   else {
 144     DWORD dwSize = 0;
 145
 146     ret = GetIfTable(*ppIfTable, &dwSize, bOrder);
 147     if (ret == ERROR_INSUFFICIENT_BUFFER) {
 148       *ppIfTable = HeapAlloc(heap, flags, dwSize);
 149       ret = GetIfTable(*ppIfTable, &dwSize, bOrder);
 150     }
 151   }
 152   TRACE("returning %d\n", ret);
 153   return ret;
 154 }
 155
 156
 157 static int IpAddrTableSorter(const void *a, const void *b)
 158 {
 159   int ret;
 160
 161   if (a && b)
 162     ret = ((const MIB_IPADDRROW*)a)->dwAddr - ((const MIB_IPADDRROW*)b)->dwAddr;
 163   else
 164     ret = 0;
 165   return ret;
 166 }
 167
 168
 169 /******************************************************************
 170  *    AllocateAndGetIpAddrTableFromStack (IPHLPAPI.@)
 171  *
 172  * Get interface-to-IP address mapping table.
 173  * Like GetIpAddrTable(), but allocate the returned table from heap.
 174  *
 175  * PARAMS
 176  *  ppIpAddrTable [Out] pointer into which the MIB_IPADDRTABLE is
 177  *                      allocated and returned.
 178  *  bOrder        [In]  whether to sort the table
 179  *  heap          [In]  heap from which the table is allocated
 180  *  flags         [In]  flags to HeapAlloc
 181  *
 182  * RETURNS
 183  *  ERROR_INVALID_PARAMETER if ppIpAddrTable is NULL, other error codes on
 184  *  failure, NO_ERROR on success.
 185  */
 186 DWORD WINAPI AllocateAndGetIpAddrTableFromStack(PMIB_IPADDRTABLE *ppIpAddrTable,
 187  BOOL bOrder, HANDLE heap, DWORD flags)
 188 {
 189   DWORD ret;
 190
 191   TRACE("ppIpAddrTable %p, bOrder %d, heap %p, flags 0x%08x\n",
 192    ppIpAddrTable, bOrder, heap, flags);
 193   ret = getIPAddrTable(ppIpAddrTable, heap, flags);
 194   if (!ret && bOrder)
 195     qsort((*ppIpAddrTable)->table, (*ppIpAddrTable)->dwNumEntries,
 196      sizeof(MIB_IPADDRROW), IpAddrTableSorter);
 197   TRACE("returning %d\n", ret);
 198   return ret;
 199 }
 200
 201
 202 /******************************************************************
 203  *    CreateIpForwardEntry (IPHLPAPI.@)
 204  *
 205  * Create a route in the local computer's IP table.
 206  *
 207  * PARAMS
 208  *  pRoute [In] new route information
 209  *
 210  * RETURNS
 211  *  Success: NO_ERROR
 212  *  Failure: error code from winerror.h
 213  *
 214  * FIXME
 215  *  Stub, always returns NO_ERROR.
 216  */
 217 DWORD WINAPI CreateIpForwardEntry(PMIB_IPFORWARDROW pRoute)
 218 {
 219   FIXME("(pRoute %p): stub\n", pRoute);
 220   /* could use SIOCADDRT, not sure I want to */
 221   return 0;
 222 }
 223
 224
 225 /******************************************************************
 226  *    CreateIpNetEntry (IPHLPAPI.@)
 227  *
 228  * Create entry in the ARP table.
 229  *
 230  * PARAMS
 231  *  pArpEntry [In] new ARP entry
 232  *
 233  * RETURNS
 234  *  Success: NO_ERROR
 235  *  Failure: error code from winerror.h
 236  *
 237  * FIXME
 238  *  Stub, always returns NO_ERROR.
 239  */
 240 DWORD WINAPI CreateIpNetEntry(PMIB_IPNETROW pArpEntry)
 241 {
 242   FIXME("(pArpEntry %p)\n", pArpEntry);
 243   /* could use SIOCSARP on systems that support it, not sure I want to */
 244   return 0;
 245 }
 246
 247
 248 /******************************************************************
 249  *    CreateProxyArpEntry (IPHLPAPI.@)
 250  *
 251  * Create a Proxy ARP (PARP) entry for an IP address.
 252  *
 253  * PARAMS
 254  *  dwAddress [In] IP address for which this computer acts as a proxy.
 255  *  dwMask    [In] subnet mask for dwAddress
 256  *  dwIfIndex [In] interface index
 257  *
 258  * RETURNS
 259  *  Success: NO_ERROR
 260  *  Failure: error code from winerror.h
 261  *
 262  * FIXME
 263  *  Stub, returns ERROR_NOT_SUPPORTED.
 264  */
 265 DWORD WINAPI CreateProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
 266 {
 267   FIXME("(dwAddress 0x%08x, dwMask 0x%08x, dwIfIndex 0x%08x): stub\n",
 268    dwAddress, dwMask, dwIfIndex);
 269   return ERROR_NOT_SUPPORTED;
 270 }
 271
 272
 273 /******************************************************************
 274  *    DeleteIPAddress (IPHLPAPI.@)
 275  *
 276  * Delete an IP address added with AddIPAddress().
 277  *
 278  * PARAMS
 279  *  NTEContext [In] NTE context from AddIPAddress();
 280  *
 281  * RETURNS
 282  *  Success: NO_ERROR
 283  *  Failure: error code from winerror.h
 284  *
 285  * FIXME
 286  *  Stub, returns ERROR_NOT_SUPPORTED.
 287  */
 288 DWORD WINAPI DeleteIPAddress(ULONG NTEContext)
 289 {
 290   FIXME("(NTEContext %d): stub\n", NTEContext);
 291   return ERROR_NOT_SUPPORTED;
 292 }
 293
 294
 295 /******************************************************************
 296  *    DeleteIpForwardEntry (IPHLPAPI.@)
 297  *
 298  * Delete a route.
 299  *
 300  * PARAMS
 301  *  pRoute [In] route to delete
 302  *
 303  * RETURNS
 304  *  Success: NO_ERROR
 305  *  Failure: error code from winerror.h
 306  *
 307  * FIXME
 308  *  Stub, returns NO_ERROR.
 309  */
 310 DWORD WINAPI DeleteIpForwardEntry(PMIB_IPFORWARDROW pRoute)
 311 {
 312   FIXME("(pRoute %p): stub\n", pRoute);
 313   /* could use SIOCDELRT, not sure I want to */
 314   return 0;
 315 }
 316
 317
 318 /******************************************************************
 319  *    DeleteIpNetEntry (IPHLPAPI.@)
 320  *
 321  * Delete an ARP entry.
 322  *
 323  * PARAMS
 324  *  pArpEntry [In] ARP entry to delete
 325  *
 326  * RETURNS
 327  *  Success: NO_ERROR
 328  *  Failure: error code from winerror.h
 329  *
 330  * FIXME
 331  *  Stub, returns NO_ERROR.
 332  */
 333 DWORD WINAPI DeleteIpNetEntry(PMIB_IPNETROW pArpEntry)
 334 {
 335   FIXME("(pArpEntry %p): stub\n", pArpEntry);
 336   /* could use SIOCDARP on systems that support it, not sure I want to */
 337   return 0;
 338 }
 339
 340
 341 /******************************************************************
 342  *    DeleteProxyArpEntry (IPHLPAPI.@)
 343  *
 344  * Delete a Proxy ARP entry.
 345  *
 346  * PARAMS
 347  *  dwAddress [In] IP address for which this computer acts as a proxy.
 348  *  dwMask    [In] subnet mask for dwAddress
 349  *  dwIfIndex [In] interface index
 350  *
 351  * RETURNS
 352  *  Success: NO_ERROR
 353  *  Failure: error code from winerror.h
 354  *
 355  * FIXME
 356  *  Stub, returns ERROR_NOT_SUPPORTED.
 357  */
 358 DWORD WINAPI DeleteProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
 359 {
 360   FIXME("(dwAddress 0x%08x, dwMask 0x%08x, dwIfIndex 0x%08x): stub\n",
 361    dwAddress, dwMask, dwIfIndex);
 362   return ERROR_NOT_SUPPORTED;
 363 }
 364
 365
 366 /******************************************************************
 367  *    EnableRouter (IPHLPAPI.@)
 368  *
 369  * Turn on ip forwarding.
 370  *
 371  * PARAMS
 372  *  pHandle     [In/Out]
 373  *  pOverlapped [In/Out] hEvent member should contain a valid handle.
 374  *
 375  * RETURNS
 376  *  Success: ERROR_IO_PENDING
 377  *  Failure: error code from winerror.h
 378  *
 379  * FIXME
 380  *  Stub, returns ERROR_NOT_SUPPORTED.
 381  */
 382 DWORD WINAPI EnableRouter(HANDLE * pHandle, OVERLAPPED * pOverlapped)
 383 {
 384   FIXME("(pHandle %p, pOverlapped %p): stub\n", pHandle, pOverlapped);
 385   /* could echo "1" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
 386      could map EACCESS to ERROR_ACCESS_DENIED, I suppose
 387    */
 388   return ERROR_NOT_SUPPORTED;
 389 }
 390
 391
 392 /******************************************************************
 393  *    FlushIpNetTable (IPHLPAPI.@)
 394  *
 395  * Delete all ARP entries of an interface
 396  *
 397  * PARAMS
 398  *  dwIfIndex [In] interface index
 399  *
 400  * RETURNS
 401  *  Success: NO_ERROR
 402  *  Failure: error code from winerror.h
 403  *
 404  * FIXME
 405  *  Stub, returns ERROR_NOT_SUPPORTED.
 406  */
 407 DWORD WINAPI FlushIpNetTable(DWORD dwIfIndex)
 408 {
 409   FIXME("(dwIfIndex 0x%08x): stub\n", dwIfIndex);
 410   /* this flushes the arp cache of the given index */
 411   return ERROR_NOT_SUPPORTED;
 412 }
 413
 414
 415 /******************************************************************
 416  *    GetAdapterIndex (IPHLPAPI.@)
 417  *
 418  * Get interface index from its name.
 419  *
 420  * PARAMS
 421  *  AdapterName [In]  unicode string with the adapter name
 422  *  IfIndex     [Out] returns found interface index
 423  *
 424  * RETURNS
 425  *  Success: NO_ERROR
 426  *  Failure: error code from winerror.h
 427  */
 428 DWORD WINAPI GetAdapterIndex(LPWSTR AdapterName, PULONG IfIndex)
 429 {
 430   char adapterName[MAX_ADAPTER_NAME];
 431   unsigned int i;
 432   DWORD ret;
 433
 434   TRACE("(AdapterName %p, IfIndex %p)\n", AdapterName, IfIndex);
 435   /* The adapter name is guaranteed not to have any unicode characters, so
 436    * this translation is never lossy */
 437   for (i = 0; i < sizeof(adapterName) - 1 && AdapterName[i]; i++)
 438     adapterName[i] = (char)AdapterName[i];
 439   adapterName[i] = '\0';
 440   ret = getInterfaceIndexByName(adapterName, IfIndex);
 441   TRACE("returning %d\n", ret);
 442   return ret;
 443 }
 444
 445
 446 /******************************************************************
 447  *    GetAdaptersInfo (IPHLPAPI.@)
 448  *
 449  * Get information about adapters.
 450  *
 451  * PARAMS
 452  *  pAdapterInfo [Out] buffer for adapter infos
 453  *  pOutBufLen   [In]  length of output buffer
 454  *
 455  * RETURNS
 456  *  Success: NO_ERROR
 457  *  Failure: error code from winerror.h
 458  */
 459 DWORD WINAPI GetAdaptersInfo(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen)
 460 {
 461   DWORD ret;
 462
 463   TRACE("pAdapterInfo %p, pOutBufLen %p\n", pAdapterInfo, pOutBufLen);
 464   if (!pOutBufLen)
 465     ret = ERROR_INVALID_PARAMETER;
 466   else {
 467     DWORD numNonLoopbackInterfaces = getNumNonLoopbackInterfaces();
 468
 469     if (numNonLoopbackInterfaces > 0) {
 470       DWORD numIPAddresses = getNumIPAddresses();
 471       ULONG size;
 472
 473       /* This may slightly overestimate the amount of space needed, because
 474        * the IP addresses include the loopback address, but it's easier
 475        * to make sure there's more than enough space than to make sure there's
 476        * precisely enough space.
 477        */
 478       size = sizeof(IP_ADAPTER_INFO) * numNonLoopbackInterfaces;
 479       size += numIPAddresses  * sizeof(IP_ADDR_STRING);
 480       if (!pAdapterInfo || *pOutBufLen < size) {
 481         *pOutBufLen = size;
 482         ret = ERROR_BUFFER_OVERFLOW;
 483       }
 484       else {
 485         InterfaceIndexTable *table = NULL;
 486         PMIB_IPADDRTABLE ipAddrTable = NULL;
 487         PMIB_IPFORWARDTABLE routeTable = NULL;
 488
 489         ret = getIPAddrTable(&ipAddrTable, GetProcessHeap(), 0);
 490         if (!ret)
 491           ret = AllocateAndGetIpForwardTableFromStack(&routeTable, FALSE, GetProcessHeap(), 0);
 492         if (!ret)
 493           table = getNonLoopbackInterfaceIndexTable();
 494         if (table) {
 495           size = sizeof(IP_ADAPTER_INFO) * table->numIndexes;
 496           size += ipAddrTable->dwNumEntries * sizeof(IP_ADDR_STRING);
 497           if (*pOutBufLen < size) {
 498             *pOutBufLen = size;
 499             ret = ERROR_INSUFFICIENT_BUFFER;
 500           }
 501           else {
 502             DWORD ndx;
 503             HKEY hKey;
 504             BOOL winsEnabled = FALSE;
 505             IP_ADDRESS_STRING primaryWINS, secondaryWINS;
 506             PIP_ADDR_STRING nextIPAddr = (PIP_ADDR_STRING)((LPBYTE)pAdapterInfo
 507              + numNonLoopbackInterfaces * sizeof(IP_ADAPTER_INFO));
 508
 509             memset(pAdapterInfo, 0, size);
 510             /* @@ Wine registry key: HKCU\Software\Wine\Network */
 511             if (RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Network",
 512              &hKey) == ERROR_SUCCESS) {
 513               DWORD size = sizeof(primaryWINS.String);
 514               unsigned long addr;
 515
 516               RegQueryValueExA(hKey, "WinsServer", NULL, NULL,
 517                (LPBYTE)primaryWINS.String, &size);
 518               addr = inet_addr(primaryWINS.String);
 519               if (addr != INADDR_NONE && addr != INADDR_ANY)
 520                 winsEnabled = TRUE;
 521               size = sizeof(secondaryWINS.String);
 522               RegQueryValueExA(hKey, "BackupWinsServer", NULL, NULL,
 523                (LPBYTE)secondaryWINS.String, &size);
 524               addr = inet_addr(secondaryWINS.String);
 525               if (addr != INADDR_NONE && addr != INADDR_ANY)
 526                 winsEnabled = TRUE;
 527               RegCloseKey(hKey);
 528             }
 529             for (ndx = 0; ndx < table->numIndexes; ndx++) {
 530               PIP_ADAPTER_INFO ptr = &pAdapterInfo[ndx];
 531               DWORD i;
 532               PIP_ADDR_STRING currentIPAddr = &ptr->IpAddressList;
 533               BOOL firstIPAddr = TRUE;
 534
 535               /* on Win98 this is left empty, but whatever */
 536               getInterfaceNameByIndex(table->indexes[ndx], ptr->AdapterName);
 537               getInterfaceNameByIndex(table->indexes[ndx], ptr->Description);
 538               ptr->AddressLength = sizeof(ptr->Address);
 539               getInterfacePhysicalByIndex(table->indexes[ndx],
 540                &ptr->AddressLength, ptr->Address, &ptr->Type);
 541               ptr->Index = table->indexes[ndx];
 542               for (i = 0; i < ipAddrTable->dwNumEntries; i++) {
 543                 if (ipAddrTable->table[i].dwIndex == ptr->Index) {
 544                   if (firstIPAddr) {
 545                     toIPAddressString(ipAddrTable->table[i].dwAddr,
 546                      ptr->IpAddressList.IpAddress.String);
 547                     toIPAddressString(ipAddrTable->table[i].dwMask,
 548                      ptr->IpAddressList.IpMask.String);
 549                     firstIPAddr = FALSE;
 550                   }
 551                   else {
 552                     currentIPAddr->Next = nextIPAddr;
 553                     currentIPAddr = nextIPAddr;
 554                     toIPAddressString(ipAddrTable->table[i].dwAddr,
 555                      currentIPAddr->IpAddress.String);
 556                     toIPAddressString(ipAddrTable->table[i].dwMask,
 557                      currentIPAddr->IpMask.String);
 558                     nextIPAddr++;
 559                   }
 560                 }
 561               }
 562               /* Find first router through this interface, which we'll assume
 563                * is the default gateway for this adapter */
 564               for (i = 0; i < routeTable->dwNumEntries; i++)
 565                 if (routeTable->table[i].dwForwardIfIndex == ptr->Index
 566                  && routeTable->table[i].dwForwardType ==
 567                  MIB_IPROUTE_TYPE_INDIRECT)
 568                   toIPAddressString(routeTable->table[i].dwForwardNextHop,
 569                    ptr->GatewayList.IpAddress.String);
 570               if (winsEnabled) {
 571                 ptr->HaveWins = TRUE;
 572                 memcpy(ptr->PrimaryWinsServer.IpAddress.String,
 573                  primaryWINS.String, sizeof(primaryWINS.String));
 574                 memcpy(ptr->SecondaryWinsServer.IpAddress.String,
 575                  secondaryWINS.String, sizeof(secondaryWINS.String));
 576               }
 577               if (ndx < table->numIndexes - 1)
 578                 ptr->Next = &pAdapterInfo[ndx + 1];
 579               else
 580                 ptr->Next = NULL;
 581             }
 582             ret = NO_ERROR;
 583           }
 584           HeapFree(GetProcessHeap(), 0, table);
 585         }
 586         else
 587           ret = ERROR_OUTOFMEMORY;
 588         HeapFree(GetProcessHeap(), 0, routeTable);
 589         HeapFree(GetProcessHeap(), 0, ipAddrTable);
 590       }
 591     }
 592     else
 593       ret = ERROR_NO_DATA;
 594   }
 595   TRACE("returning %d\n", ret);
 596   return ret;
 597 }
 598
 599 static DWORD typeFromMibType(DWORD mib_type)
 600 {
 601     switch (mib_type)
 602     {
 603     case MIB_IF_TYPE_ETHERNET:  return IF_TYPE_ETHERNET_CSMACD;
 604     case MIB_IF_TYPE_TOKENRING: return IF_TYPE_ISO88025_TOKENRING;
 605     case MIB_IF_TYPE_PPP:       return IF_TYPE_PPP;
 606     case MIB_IF_TYPE_LOOPBACK:  return IF_TYPE_SOFTWARE_LOOPBACK;
 607     default:                    return IF_TYPE_OTHER;
 608     }
 609 }
 610
 611 static DWORD connectionTypeFromMibType(DWORD mib_type)
 612 {
 613     switch (mib_type)
 614     {
 615     case MIB_IF_TYPE_PPP:       return NET_IF_CONNECTION_DEMAND;
 616     case MIB_IF_TYPE_SLIP:      return NET_IF_CONNECTION_DEMAND;
 617     default:                    return NET_IF_CONNECTION_DEDICATED;
 618     }
 619 }
 620
 621 static ULONG v4addressesFromIndex(DWORD index, DWORD **addrs, ULONG *num_addrs)
 622 {
 623     ULONG ret, i, j;
 624     MIB_IPADDRTABLE *at;
 625
 626     *num_addrs = 0;
 627     if ((ret = getIPAddrTable(&at, GetProcessHeap(), 0))) return ret;
 628     for (i = 0; i < at->dwNumEntries; i++)
 629     {
 630         if (at->table[i].dwIndex == index) (*num_addrs)++;
 631     }
 632     if (!(*addrs = HeapAlloc(GetProcessHeap(), 0, *num_addrs * sizeof(DWORD))))
 633     {
 634         HeapFree(GetProcessHeap(), 0, at);
 635         return ERROR_OUTOFMEMORY;
 636     }
 637     for (i = 0, j = 0; i < at->dwNumEntries; i++)
 638     {
 639         if (at->table[i].dwIndex == index) (*addrs)[j++] = at->table[i].dwAddr;
 640     }
 641     HeapFree(GetProcessHeap(), 0, at);
 642     return ERROR_SUCCESS;
 643 }
 644
 645 static char *debugstr_ipv4(const in_addr_t *in_addr, char *buf)
 646 {
 647     const BYTE *addrp;
 648     char *p = buf;
 649
 650     for (addrp = (const BYTE *)in_addr;
 651      addrp - (const BYTE *)in_addr < sizeof(*in_addr);
 652      addrp++)
 653     {
 654         if (addrp == (const BYTE *)in_addr + sizeof(*in_addr) - 1)
 655             sprintf(p, "%d", *addrp);
 656         else
 657             p += sprintf(p, "%d.", *addrp);
 658     }
 659     return buf;
 660 }
 661
 662 static char *debugstr_ipv6(const struct WS_sockaddr_in6 *sin, char *buf)
 663 {
 664     const IN6_ADDR *addr = &sin->sin6_addr;
 665     char *p = buf;
 666     int i;
 667     BOOL in_zero = FALSE;
 668
 669     for (i = 0; i < 7; i++)
 670     {
 671         if (!addr->u.Word[i])
 672         {
 673             if (i == 0)
 674                 *p++ = ':';
 675             if (!in_zero)
 676             {
 677                 *p++ = ':';
 678                 in_zero = TRUE;
 679             }
 680         }
 681         else
 682         {
 683             p += sprintf(p, "%x:", ntohs(addr->u.Word[i]));
 684             in_zero = FALSE;
 685         }
 686     }
 687     sprintf(p, "%x", ntohs(addr->u.Word[7]));
 688     return buf;
 689 }
 690
 691 static ULONG count_v4_gateways(DWORD index, PMIB_IPFORWARDTABLE routeTable)
 692 {
 693     DWORD i, num_gateways = 0;
 694
 695     for (i = 0; i < routeTable->dwNumEntries; i++)
 696     {
 697         if (routeTable->table[i].dwForwardIfIndex == index &&
 698             routeTable->table[i].dwForwardType == MIB_IPROUTE_TYPE_INDIRECT)
 699             num_gateways++;
 700     }
 701     return num_gateways;
 702 }
 703
 704 static PMIB_IPFORWARDROW findIPv4Gateway(DWORD index,
 705                                          PMIB_IPFORWARDTABLE routeTable)
 706 {
 707     DWORD i;
 708     PMIB_IPFORWARDROW row = NULL;
 709
 710     for (i = 0; !row && i < routeTable->dwNumEntries; i++)
 711     {
 712         if (routeTable->table[i].dwForwardIfIndex == index &&
 713             routeTable->table[i].dwForwardType == MIB_IPROUTE_TYPE_INDIRECT)
 714             row = &routeTable->table[i];
 715     }
 716     return row;
 717 }
 718
 719 static ULONG adapterAddressesFromIndex(ULONG family, DWORD index, IP_ADAPTER_ADDRESSES *aa, ULONG *size)
 720 {
 721     ULONG ret, i, num_v4addrs = 0, num_v4_gateways = 0, num_v6addrs = 0, total_size;
 722     DWORD *v4addrs = NULL;
 723     SOCKET_ADDRESS *v6addrs = NULL;
 724     PMIB_IPFORWARDTABLE routeTable = NULL;
 725
 726     if (family == AF_INET)
 727     {
 728         ret = AllocateAndGetIpForwardTableFromStack(&routeTable, FALSE,
 729                                                     GetProcessHeap(), 0);
 730         if (!ret)
 731         {
 732             ret = v4addressesFromIndex(index, &v4addrs, &num_v4addrs);
 733             num_v4_gateways = count_v4_gateways(index, routeTable);
 734         }
 735     }
 736     else if (family == AF_INET6)
 737         ret = v6addressesFromIndex(index, &v6addrs, &num_v6addrs);
 738     else if (family == AF_UNSPEC)
 739     {
 740         ret = AllocateAndGetIpForwardTableFromStack(&routeTable, FALSE,
 741                                                     GetProcessHeap(), 0);
 742         if (!ret)
 743         {
 744             ret = v4addressesFromIndex(index, &v4addrs, &num_v4addrs);
 745             num_v4_gateways = count_v4_gateways(index, routeTable);
 746             if (!ret)
 747                 ret = v6addressesFromIndex(index, &v6addrs, &num_v6addrs);
 748         }
 749     }
 750     else
 751     {
 752         FIXME("address family %u unsupported\n", family);
 753         ret = ERROR_NO_DATA;
 754     }
 755     if (ret)
 756     {
 757         HeapFree(GetProcessHeap(), 0, routeTable);
 758         return ret;
 759     }
 760
 761     total_size = sizeof(IP_ADAPTER_ADDRESSES);
 762     total_size += IF_NAMESIZE;
 763     total_size += 2 * IF_NAMESIZE * sizeof(WCHAR);
 764     total_size += sizeof(IP_ADAPTER_UNICAST_ADDRESS) * num_v4addrs;
 765     total_size += sizeof(struct sockaddr_in) * num_v4addrs;
 766     total_size += (sizeof(IP_ADAPTER_GATEWAY_ADDRESS) + sizeof(SOCKADDR_IN)) * num_v4_gateways;
 767     total_size += sizeof(IP_ADAPTER_UNICAST_ADDRESS) * num_v6addrs;
 768     total_size += sizeof(SOCKET_ADDRESS) * num_v6addrs;
 769     for (i = 0; i < num_v6addrs; i++)
 770         total_size += v6addrs[i].iSockaddrLength;
 771
 772     if (aa && *size >= total_size)
 773     {
 774         char name[IF_NAMESIZE], *ptr = (char *)aa + sizeof(IP_ADAPTER_ADDRESSES), *src;
 775         WCHAR *dst;
 776         DWORD buflen, type, status;
 777
 778         memset(aa, 0, sizeof(IP_ADAPTER_ADDRESSES));
 779         aa->u.s.Length  = sizeof(IP_ADAPTER_ADDRESSES);
 780         aa->u.s.IfIndex = index;
 781
 782         getInterfaceNameByIndex(index, name);
 783         memcpy(ptr, name, IF_NAMESIZE);
 784         aa->AdapterName = ptr;
 785         ptr += IF_NAMESIZE;
 786         aa->FriendlyName = (WCHAR *)ptr;
 787         for (src = name, dst = (WCHAR *)ptr; *src; src++, dst++)
 788             *dst = *src;
 789         *dst++ = 0;
 790         ptr = (char *)dst;
 791         aa->Description = (WCHAR *)ptr;
 792         for (src = name, dst = (WCHAR *)ptr; *src; src++, dst++)
 793             *dst = *src;
 794         *dst++ = 0;
 795         ptr = (char *)dst;
 796
 797         TRACE("%s: %d IPv4 addresses, %d IPv6 addresses:\n", name, num_v4addrs,
 798               num_v6addrs);
 799         if (num_v4_gateways)
 800         {
 801             PMIB_IPFORWARDROW adapterRow;
 802
 803             if ((adapterRow = findIPv4Gateway(index, routeTable)))
 804             {
 805                 PIP_ADAPTER_GATEWAY_ADDRESS gw;
 806                 PSOCKADDR_IN sin;
 807
 808                 gw = (PIP_ADAPTER_GATEWAY_ADDRESS)ptr;
 809                 aa->FirstGatewayAddress = gw;
 810
 811                 gw->u.s.Length = sizeof(IP_ADAPTER_GATEWAY_ADDRESS);
 812                 ptr += sizeof(IP_ADAPTER_GATEWAY_ADDRESS);
 813                 sin = (PSOCKADDR_IN)ptr;
 814                 sin->sin_family = AF_INET;
 815                 sin->sin_port = 0;
 816                 memcpy(&sin->sin_addr, &adapterRow->dwForwardNextHop,
 817                        sizeof(DWORD));
 818                 gw->Address.lpSockaddr = (LPSOCKADDR)sin;
 819                 gw->Address.iSockaddrLength = sizeof(SOCKADDR_IN);
 820                 gw->Next = NULL;
 821                 ptr += sizeof(SOCKADDR_IN);
 822             }
 823         }
 824         if (num_v4addrs)
 825         {
 826             IP_ADAPTER_UNICAST_ADDRESS *ua;
 827             struct sockaddr_in *sa;
 828             aa->Flags |= IP_ADAPTER_IPV4_ENABLED;
 829             ua = aa->FirstUnicastAddress = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 830             for (i = 0; i < num_v4addrs; i++)
 831             {
 832                 char addr_buf[16];
 833
 834                 memset(ua, 0, sizeof(IP_ADAPTER_UNICAST_ADDRESS));
 835                 ua->u.s.Length              = sizeof(IP_ADAPTER_UNICAST_ADDRESS);
 836                 ua->Address.iSockaddrLength = sizeof(struct sockaddr_in);
 837                 ua->Address.lpSockaddr      = (SOCKADDR *)((char *)ua + ua->u.s.Length);
 838
 839                 sa = (struct sockaddr_in *)ua->Address.lpSockaddr;
 840                 sa->sin_family      = AF_INET;
 841                 sa->sin_addr.s_addr = v4addrs[i];
 842                 sa->sin_port        = 0;
 843                 TRACE("IPv4 %d/%d: %s\n", i + 1, num_v4addrs,
 844                       debugstr_ipv4(&sa->sin_addr.s_addr, addr_buf));
 845
 846                 ptr += ua->u.s.Length + ua->Address.iSockaddrLength;
 847                 if (i < num_v4addrs - 1)
 848                 {
 849                     ua->Next = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 850                     ua = ua->Next;
 851                 }
 852             }
 853         }
 854         if (num_v6addrs)
 855         {
 856             IP_ADAPTER_UNICAST_ADDRESS *ua;
 857             struct WS_sockaddr_in6 *sa;
 858
 859             aa->Flags |= IP_ADAPTER_IPV6_ENABLED;
 860             if (aa->FirstUnicastAddress)
 861             {
 862                 for (ua = aa->FirstUnicastAddress; ua->Next; ua = ua->Next)
 863                     ;
 864                 ua->Next = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 865                 ua = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 866             }
 867             else
 868                 ua = aa->FirstUnicastAddress = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 869             for (i = 0; i < num_v6addrs; i++)
 870             {
 871                 char addr_buf[46];
 872
 873                 memset(ua, 0, sizeof(IP_ADAPTER_UNICAST_ADDRESS));
 874                 ua->u.s.Length              = sizeof(IP_ADAPTER_UNICAST_ADDRESS);
 875                 ua->Address.iSockaddrLength = v6addrs[i].iSockaddrLength;
 876                 ua->Address.lpSockaddr      = (SOCKADDR *)((char *)ua + ua->u.s.Length);
 877
 878                 sa = (struct WS_sockaddr_in6 *)ua->Address.lpSockaddr;
 879                 memcpy(sa, v6addrs[i].lpSockaddr, sizeof(*sa));
 880                 TRACE("IPv6 %d/%d: %s\n", i + 1, num_v6addrs,
 881                       debugstr_ipv6(sa, addr_buf));
 882
 883                 ptr += ua->u.s.Length + ua->Address.iSockaddrLength;
 884                 if (i < num_v6addrs - 1)
 885                 {
 886                     ua->Next = (IP_ADAPTER_UNICAST_ADDRESS *)ptr;
 887                     ua = ua->Next;
 888                 }
 889             }
 890         }
 891
 892         buflen = MAX_INTERFACE_PHYSADDR;
 893         getInterfacePhysicalByIndex(index, &buflen, aa->PhysicalAddress, &type);
 894         aa->PhysicalAddressLength = buflen;
 895         aa->IfType = typeFromMibType(type);
 896         aa->ConnectionType = connectionTypeFromMibType(type);
 897
 898         getInterfaceMtuByName(name, &aa->Mtu);
 899
 900         getInterfaceStatusByName(name, &status);
 901         if (status == MIB_IF_OPER_STATUS_OPERATIONAL) aa->OperStatus = IfOperStatusUp;
 902         else if (status == MIB_IF_OPER_STATUS_NON_OPERATIONAL) aa->OperStatus = IfOperStatusDown;
 903         else aa->OperStatus = IfOperStatusUnknown;
 904     }
 905     *size = total_size;
 906     HeapFree(GetProcessHeap(), 0, routeTable);
 907     HeapFree(GetProcessHeap(), 0, v6addrs);
 908     HeapFree(GetProcessHeap(), 0, v4addrs);
 909     return ERROR_SUCCESS;
 910 }
 911
 912 ULONG WINAPI GetAdaptersAddresses(ULONG family, ULONG flags, PVOID reserved,
 913                                   PIP_ADAPTER_ADDRESSES aa, PULONG buflen)
 914 {
 915     InterfaceIndexTable *table;
 916     ULONG i, size, total_size, ret = ERROR_NO_DATA;
 917
 918     TRACE("(%d, %08x, %p, %p, %p)\n", family, flags, reserved, aa, buflen);
 919
 920     if (!buflen) return ERROR_INVALID_PARAMETER;
 921
 922     table = getInterfaceIndexTable();
 923     if (!table || !table->numIndexes)
 924     {
 925         HeapFree(GetProcessHeap(), 0, table);
 926         return ERROR_NO_DATA;
 927     }
 928     total_size = 0;
 929     for (i = 0; i < table->numIndexes; i++)
 930     {
 931         size = 0;
 932         if ((ret = adapterAddressesFromIndex(family, table->indexes[i], NULL, &size)))
 933         {
 934             HeapFree(GetProcessHeap(), 0, table);
 935             return ret;
 936         }
 937         total_size += size;
 938     }
 939     if (aa && *buflen >= total_size)
 940     {
 941         ULONG bytes_left = size = total_size;
 942         for (i = 0; i < table->numIndexes; i++)
 943         {
 944             if ((ret = adapterAddressesFromIndex(family, table->indexes[i], aa, &size)))
 945             {
 946                 HeapFree(GetProcessHeap(), 0, table);
 947                 return ret;
 948             }
 949             if (i < table->numIndexes - 1)
 950             {
 951                 aa->Next = (IP_ADAPTER_ADDRESSES *)((char *)aa + size);
 952                 aa = aa->Next;
 953                 size = bytes_left -= size;
 954             }
 955         }
 956         ret = ERROR_SUCCESS;
 957     }
 958     if (*buflen < total_size) ret = ERROR_BUFFER_OVERFLOW;
 959     *buflen = total_size;
 960
 961     TRACE("num adapters %u\n", table->numIndexes);
 962     HeapFree(GetProcessHeap(), 0, table);
 963     return ret;
 964 }
 965
 966 /******************************************************************
 967  *    GetBestInterface (IPHLPAPI.@)
 968  *
 969  * Get the interface, with the best route for the given IP address.
 970  *
 971  * PARAMS
 972  *  dwDestAddr     [In]  IP address to search the interface for
 973  *  pdwBestIfIndex [Out] found best interface
 974  *
 975  * RETURNS
 976  *  Success: NO_ERROR
 977  *  Failure: error code from winerror.h
 978  */
 979 DWORD WINAPI GetBestInterface(IPAddr dwDestAddr, PDWORD pdwBestIfIndex)
 980 {
 981     struct WS_sockaddr_in sa_in;
 982     memset(&sa_in, 0, sizeof(sa_in));
 983     sa_in.sin_family = AF_INET;
 984     sa_in.sin_addr.S_un.S_addr = dwDestAddr;
 985     return GetBestInterfaceEx((struct WS_sockaddr *)&sa_in, pdwBestIfIndex);
 986 }
 987
 988 /******************************************************************
 989  *    GetBestInterfaceEx (IPHLPAPI.@)
 990  *
 991  * Get the interface, with the best route for the given IP address.
 992  *
 993  * PARAMS
 994  *  dwDestAddr     [In]  IP address to search the interface for
 995  *  pdwBestIfIndex [Out] found best interface
 996  *
 997  * RETURNS
 998  *  Success: NO_ERROR
 999  *  Failure: error code from winerror.h
1000  */
1001 DWORD WINAPI GetBestInterfaceEx(struct WS_sockaddr *pDestAddr, PDWORD pdwBestIfIndex)
1002 {
1003   DWORD ret;
1004
1005   TRACE("pDestAddr %p, pdwBestIfIndex %p\n", pDestAddr, pdwBestIfIndex);
1006   if (!pDestAddr || !pdwBestIfIndex)
1007     ret = ERROR_INVALID_PARAMETER;
1008   else {
1009     MIB_IPFORWARDROW ipRow;
1010
1011     if (pDestAddr->sa_family == AF_INET) {
1012       ret = GetBestRoute(((struct WS_sockaddr_in *)pDestAddr)->sin_addr.S_un.S_addr, 0, &ipRow);
1013       if (ret == ERROR_SUCCESS)
1014         *pdwBestIfIndex = ipRow.dwForwardIfIndex;
1015     } else {
1016       FIXME("address family %d not supported\n", pDestAddr->sa_family);
1017       ret = ERROR_NOT_SUPPORTED;
1018     }
1019   }
1020   TRACE("returning %d\n", ret);
1021   return ret;
1022 }
1023
1024
1025 /******************************************************************
1026  *    GetBestRoute (IPHLPAPI.@)
1027  *
1028  * Get the best route for the given IP address.
1029  *
1030  * PARAMS
1031  *  dwDestAddr   [In]  IP address to search the best route for
1032  *  dwSourceAddr [In]  optional source IP address
1033  *  pBestRoute   [Out] found best route
1034  *
1035  * RETURNS
1036  *  Success: NO_ERROR
1037  *  Failure: error code from winerror.h
1038  */
1039 DWORD WINAPI GetBestRoute(DWORD dwDestAddr, DWORD dwSourceAddr, PMIB_IPFORWARDROW pBestRoute)
1040 {
1041   PMIB_IPFORWARDTABLE table;
1042   DWORD ret;
1043
1044   TRACE("dwDestAddr 0x%08x, dwSourceAddr 0x%08x, pBestRoute %p\n", dwDestAddr,
1045    dwSourceAddr, pBestRoute);
1046   if (!pBestRoute)
1047     return ERROR_INVALID_PARAMETER;
1048
1049   ret = AllocateAndGetIpForwardTableFromStack(&table, FALSE, GetProcessHeap(), 0);
1050   if (!ret) {
1051     DWORD ndx, matchedBits, matchedNdx = table->dwNumEntries;
1052
1053     for (ndx = 0, matchedBits = 0; ndx < table->dwNumEntries; ndx++) {
1054       if (table->table[ndx].dwForwardType != MIB_IPROUTE_TYPE_INVALID &&
1055        (dwDestAddr & table->table[ndx].dwForwardMask) ==
1056        (table->table[ndx].dwForwardDest & table->table[ndx].dwForwardMask)) {
1057         DWORD numShifts, mask;
1058
1059         for (numShifts = 0, mask = table->table[ndx].dwForwardMask;
1060          mask && mask & 1; mask >>= 1, numShifts++)
1061           ;
1062         if (numShifts > matchedBits) {
1063           matchedBits = numShifts;
1064           matchedNdx = ndx;
1065         }
1066         else if (!matchedBits) {
1067           matchedNdx = ndx;
1068         }
1069       }
1070     }
1071     if (matchedNdx < table->dwNumEntries) {
1072       memcpy(pBestRoute, &table->table[matchedNdx], sizeof(MIB_IPFORWARDROW));
1073       ret = ERROR_SUCCESS;
1074     }
1075     else {
1076       /* No route matches, which can happen if there's no default route. */
1077       ret = ERROR_HOST_UNREACHABLE;
1078     }
1079     HeapFree(GetProcessHeap(), 0, table);
1080   }
1081   TRACE("returning %d\n", ret);
1082   return ret;
1083 }
1084
1085
1086 /******************************************************************
1087  *    GetFriendlyIfIndex (IPHLPAPI.@)
1088  *
1089  * Get a "friendly" version of IfIndex, which is one that doesn't
1090  * have the top byte set.  Doesn't validate whether IfIndex is a valid
1091  * adapter index.
1092  *
1093  * PARAMS
1094  *  IfIndex [In] interface index to get the friendly one for
1095  *
1096  * RETURNS
1097  *  A friendly version of IfIndex.
1098  */
1099 DWORD WINAPI GetFriendlyIfIndex(DWORD IfIndex)
1100 {
1101   /* windows doesn't validate these, either, just makes sure the top byte is
1102      cleared.  I assume my ifenum module never gives an index with the top
1103      byte set. */
1104   TRACE("returning %d\n", IfIndex);
1105   return IfIndex;
1106 }
1107
1108
1109 /******************************************************************
1110  *    GetIfEntry (IPHLPAPI.@)
1111  *
1112  * Get information about an interface.
1113  *
1114  * PARAMS
1115  *  pIfRow [In/Out] In:  dwIndex of MIB_IFROW selects the interface.
1116  *                  Out: interface information
1117  *
1118  * RETURNS
1119  *  Success: NO_ERROR
1120  *  Failure: error code from winerror.h
1121  */
1122 DWORD WINAPI GetIfEntry(PMIB_IFROW pIfRow)
1123 {
1124   DWORD ret;
1125   char nameBuf[MAX_ADAPTER_NAME];
1126   char *name;
1127
1128   TRACE("pIfRow %p\n", pIfRow);
1129   if (!pIfRow)
1130     return ERROR_INVALID_PARAMETER;
1131
1132   name = getInterfaceNameByIndex(pIfRow->dwIndex, nameBuf);
1133   if (name) {
1134     ret = getInterfaceEntryByName(name, pIfRow);
1135     if (ret == NO_ERROR)
1136       ret = getInterfaceStatsByName(name, pIfRow);
1137   }
1138   else
1139     ret = ERROR_INVALID_DATA;
1140   TRACE("returning %d\n", ret);
1141   return ret;
1142 }
1143
1144
1145 static int IfTableSorter(const void *a, const void *b)
1146 {
1147   int ret;
1148
1149   if (a && b)
1150     ret = ((const MIB_IFROW*)a)->dwIndex - ((const MIB_IFROW*)b)->dwIndex;
1151   else
1152     ret = 0;
1153   return ret;
1154 }
1155
1156
1157 /******************************************************************
1158  *    GetIfTable (IPHLPAPI.@)
1159  *
1160  * Get a table of local interfaces.
1161  *
1162  * PARAMS
1163  *  pIfTable [Out]    buffer for local interfaces table
1164  *  pdwSize  [In/Out] length of output buffer
1165  *  bOrder   [In]     whether to sort the table
1166  *
1167  * RETURNS
1168  *  Success: NO_ERROR
1169  *  Failure: error code from winerror.h
1170  *
1171  * NOTES
1172  *  If pdwSize is less than required, the function will return
1173  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1174  *  size.
1175  *  If bOrder is true, the returned table will be sorted by interface index.
1176  */
1177 DWORD WINAPI GetIfTable(PMIB_IFTABLE pIfTable, PULONG pdwSize, BOOL bOrder)
1178 {
1179   DWORD ret;
1180
1181   TRACE("pIfTable %p, pdwSize %p, bOrder %d\n", pdwSize, pdwSize,
1182    (DWORD)bOrder);
1183   if (!pdwSize)
1184     ret = ERROR_INVALID_PARAMETER;
1185   else {
1186     DWORD numInterfaces = getNumInterfaces();
1187     ULONG size = sizeof(MIB_IFTABLE);
1188
1189     if (numInterfaces > 1)
1190       size += (numInterfaces - 1) * sizeof(MIB_IFROW);
1191     if (!pIfTable || *pdwSize < size) {
1192       *pdwSize = size;
1193       ret = ERROR_INSUFFICIENT_BUFFER;
1194     }
1195     else {
1196       InterfaceIndexTable *table = getInterfaceIndexTable();
1197
1198       if (table) {
1199         size = sizeof(MIB_IFTABLE);
1200         if (table->numIndexes > 1)
1201           size += (table->numIndexes - 1) * sizeof(MIB_IFROW);
1202         if (*pdwSize < size) {
1203           *pdwSize = size;
1204           ret = ERROR_INSUFFICIENT_BUFFER;
1205         }
1206         else {
1207           DWORD ndx;
1208
1209           *pdwSize = size;
1210           pIfTable->dwNumEntries = 0;
1211           for (ndx = 0; ndx < table->numIndexes; ndx++) {
1212             pIfTable->table[ndx].dwIndex = table->indexes[ndx];
1213             GetIfEntry(&pIfTable->table[ndx]);
1214             pIfTable->dwNumEntries++;
1215           }
1216           if (bOrder)
1217             qsort(pIfTable->table, pIfTable->dwNumEntries, sizeof(MIB_IFROW),
1218              IfTableSorter);
1219           ret = NO_ERROR;
1220         }
1221         HeapFree(GetProcessHeap(), 0, table);
1222       }
1223       else
1224         ret = ERROR_OUTOFMEMORY;
1225     }
1226   }
1227   TRACE("returning %d\n", ret);
1228   return ret;
1229 }
1230
1231
1232 /******************************************************************
1233  *    GetInterfaceInfo (IPHLPAPI.@)
1234  *
1235  * Get a list of network interface adapters.
1236  *
1237  * PARAMS
1238  *  pIfTable    [Out] buffer for interface adapters
1239  *  dwOutBufLen [Out] if buffer is too small, returns required size
1240  *
1241  * RETURNS
1242  *  Success: NO_ERROR
1243  *  Failure: error code from winerror.h
1244  *
1245  * BUGS
1246  *  MSDN states this should return non-loopback interfaces only.
1247  */
1248 DWORD WINAPI GetInterfaceInfo(PIP_INTERFACE_INFO pIfTable, PULONG dwOutBufLen)
1249 {
1250   DWORD ret;
1251
1252   TRACE("pIfTable %p, dwOutBufLen %p\n", pIfTable, dwOutBufLen);
1253   if (!dwOutBufLen)
1254     ret = ERROR_INVALID_PARAMETER;
1255   else {
1256     DWORD numInterfaces = getNumInterfaces();
1257     ULONG size = sizeof(IP_INTERFACE_INFO);
1258
1259     if (numInterfaces > 1)
1260       size += (numInterfaces - 1) * sizeof(IP_ADAPTER_INDEX_MAP);
1261     if (!pIfTable || *dwOutBufLen < size) {
1262       *dwOutBufLen = size;
1263       ret = ERROR_INSUFFICIENT_BUFFER;
1264     }
1265     else {
1266       InterfaceIndexTable *table = getInterfaceIndexTable();
1267
1268       if (table) {
1269         size = sizeof(IP_INTERFACE_INFO);
1270         if (table->numIndexes > 1)
1271           size += (table->numIndexes - 1) * sizeof(IP_ADAPTER_INDEX_MAP);
1272         if (*dwOutBufLen < size) {
1273           *dwOutBufLen = size;
1274           ret = ERROR_INSUFFICIENT_BUFFER;
1275         }
1276         else {
1277           DWORD ndx;
1278           char nameBuf[MAX_ADAPTER_NAME];
1279
1280           *dwOutBufLen = size;
1281           pIfTable->NumAdapters = 0;
1282           for (ndx = 0; ndx < table->numIndexes; ndx++) {
1283             const char *walker, *name;
1284             WCHAR *assigner;
1285
1286             pIfTable->Adapter[ndx].Index = table->indexes[ndx];
1287             name = getInterfaceNameByIndex(table->indexes[ndx], nameBuf);
1288             for (walker = name, assigner = pIfTable->Adapter[ndx].Name;
1289              walker && *walker &&
1290              assigner - pIfTable->Adapter[ndx].Name < MAX_ADAPTER_NAME - 1;
1291              walker++, assigner++)
1292               *assigner = *walker;
1293             *assigner = 0;
1294             pIfTable->NumAdapters++;
1295           }
1296           ret = NO_ERROR;
1297         }
1298         HeapFree(GetProcessHeap(), 0, table);
1299       }
1300       else
1301         ret = ERROR_OUTOFMEMORY;
1302     }
1303   }
1304   TRACE("returning %d\n", ret);
1305   return ret;
1306 }
1307
1308
1309 /******************************************************************
1310  *    GetIpAddrTable (IPHLPAPI.@)
1311  *
1312  * Get interface-to-IP address mapping table.
1313  *
1314  * PARAMS
1315  *  pIpAddrTable [Out]    buffer for mapping table
1316  *  pdwSize      [In/Out] length of output buffer
1317  *  bOrder       [In]     whether to sort the table
1318  *
1319  * RETURNS
1320  *  Success: NO_ERROR
1321  *  Failure: error code from winerror.h
1322  *
1323  * NOTES
1324  *  If pdwSize is less than required, the function will return
1325  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1326  *  size.
1327  *  If bOrder is true, the returned table will be sorted by the next hop and
1328  *  an assortment of arbitrary parameters.
1329  */
1330 DWORD WINAPI GetIpAddrTable(PMIB_IPADDRTABLE pIpAddrTable, PULONG pdwSize, BOOL bOrder)
1331 {
1332   DWORD ret;
1333
1334   TRACE("pIpAddrTable %p, pdwSize %p, bOrder %d\n", pIpAddrTable, pdwSize,
1335    (DWORD)bOrder);
1336   if (!pdwSize)
1337     ret = ERROR_INVALID_PARAMETER;
1338   else {
1339     PMIB_IPADDRTABLE table;
1340
1341     ret = getIPAddrTable(&table, GetProcessHeap(), 0);
1342     if (ret == NO_ERROR)
1343     {
1344       ULONG size = sizeof(MIB_IPADDRTABLE);
1345
1346       if (table->dwNumEntries > 1)
1347         size += (table->dwNumEntries - 1) * sizeof(MIB_IPADDRROW);
1348       if (!pIpAddrTable || *pdwSize < size) {
1349         *pdwSize = size;
1350         ret = ERROR_INSUFFICIENT_BUFFER;
1351       }
1352       else {
1353         *pdwSize = size;
1354         memcpy(pIpAddrTable, table, size);
1355         if (bOrder)
1356           qsort(pIpAddrTable->table, pIpAddrTable->dwNumEntries,
1357            sizeof(MIB_IPADDRROW), IpAddrTableSorter);
1358         ret = NO_ERROR;
1359       }
1360       HeapFree(GetProcessHeap(), 0, table);
1361     }
1362   }
1363   TRACE("returning %d\n", ret);
1364   return ret;
1365 }
1366
1367
1368 /******************************************************************
1369  *    GetIpForwardTable (IPHLPAPI.@)
1370  *
1371  * Get the route table.
1372  *
1373  * PARAMS
1374  *  pIpForwardTable [Out]    buffer for route table
1375  *  pdwSize         [In/Out] length of output buffer
1376  *  bOrder          [In]     whether to sort the table
1377  *
1378  * RETURNS
1379  *  Success: NO_ERROR
1380  *  Failure: error code from winerror.h
1381  *
1382  * NOTES
1383  *  If pdwSize is less than required, the function will return
1384  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1385  *  size.
1386  *  If bOrder is true, the returned table will be sorted by the next hop and
1387  *  an assortment of arbitrary parameters.
1388  */
1389 DWORD WINAPI GetIpForwardTable(PMIB_IPFORWARDTABLE pIpForwardTable, PULONG pdwSize, BOOL bOrder)
1390 {
1391     DWORD ret;
1392     PMIB_IPFORWARDTABLE table;
1393
1394     TRACE("pIpForwardTable %p, pdwSize %p, bOrder %d\n", pIpForwardTable, pdwSize, bOrder);
1395
1396     if (!pdwSize) return ERROR_INVALID_PARAMETER;
1397
1398     ret = AllocateAndGetIpForwardTableFromStack(&table, bOrder, GetProcessHeap(), 0);
1399     if (!ret) {
1400         DWORD size = FIELD_OFFSET( MIB_IPFORWARDTABLE, table[table->dwNumEntries] );
1401         if (!pIpForwardTable || *pdwSize < size) {
1402           *pdwSize = size;
1403           ret = ERROR_INSUFFICIENT_BUFFER;
1404         }
1405         else {
1406           *pdwSize = size;
1407           memcpy(pIpForwardTable, table, size);
1408         }
1409         HeapFree(GetProcessHeap(), 0, table);
1410     }
1411     TRACE("returning %d\n", ret);
1412     return ret;
1413 }
1414
1415
1416 /******************************************************************
1417  *    GetIpNetTable (IPHLPAPI.@)
1418  *
1419  * Get the IP-to-physical address mapping table.
1420  *
1421  * PARAMS
1422  *  pIpNetTable [Out]    buffer for mapping table
1423  *  pdwSize     [In/Out] length of output buffer
1424  *  bOrder      [In]     whether to sort the table
1425  *
1426  * RETURNS
1427  *  Success: NO_ERROR
1428  *  Failure: error code from winerror.h
1429  *
1430  * NOTES
1431  *  If pdwSize is less than required, the function will return
1432  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1433  *  size.
1434  *  If bOrder is true, the returned table will be sorted by IP address.
1435  */
1436 DWORD WINAPI GetIpNetTable(PMIB_IPNETTABLE pIpNetTable, PULONG pdwSize, BOOL bOrder)
1437 {
1438     DWORD ret;
1439     PMIB_IPNETTABLE table;
1440
1441     TRACE("pIpNetTable %p, pdwSize %p, bOrder %d\n", pIpNetTable, pdwSize, bOrder);
1442
1443     if (!pdwSize) return ERROR_INVALID_PARAMETER;
1444
1445     ret = AllocateAndGetIpNetTableFromStack( &table, bOrder, GetProcessHeap(), 0 );
1446     if (!ret) {
1447         DWORD size = FIELD_OFFSET( MIB_IPNETTABLE, table[table->dwNumEntries] );
1448         if (!pIpNetTable || *pdwSize < size) {
1449           *pdwSize = size;
1450           ret = ERROR_INSUFFICIENT_BUFFER;
1451         }
1452         else {
1453           *pdwSize = size;
1454           memcpy(pIpNetTable, table, size);
1455         }
1456         HeapFree(GetProcessHeap(), 0, table);
1457     }
1458     TRACE("returning %d\n", ret);
1459     return ret;
1460 }
1461
1462
1463 /******************************************************************
1464  *    GetNetworkParams (IPHLPAPI.@)
1465  *
1466  * Get the network parameters for the local computer.
1467  *
1468  * PARAMS
1469  *  pFixedInfo [Out]    buffer for network parameters
1470  *  pOutBufLen [In/Out] length of output buffer
1471  *
1472  * RETURNS
1473  *  Success: NO_ERROR
1474  *  Failure: error code from winerror.h
1475  *
1476  * NOTES
1477  *  If pOutBufLen is less than required, the function will return
1478  *  ERROR_INSUFFICIENT_BUFFER, and pOutBufLen will be set to the required byte
1479  *  size.
1480  */
1481 DWORD WINAPI GetNetworkParams(PFIXED_INFO pFixedInfo, PULONG pOutBufLen)
1482 {
1483   DWORD ret, size;
1484   LONG regReturn;
1485   HKEY hKey;
1486
1487   TRACE("pFixedInfo %p, pOutBufLen %p\n", pFixedInfo, pOutBufLen);
1488   if (!pOutBufLen)
1489     return ERROR_INVALID_PARAMETER;
1490
1491   initialise_resolver();
1492   size = sizeof(FIXED_INFO) + (_res.nscount > 0 ? (_res.nscount  - 1) *
1493    sizeof(IP_ADDR_STRING) : 0);
1494   if (!pFixedInfo || *pOutBufLen < size) {
1495     *pOutBufLen = size;
1496     return ERROR_BUFFER_OVERFLOW;
1497   }
1498
1499   memset(pFixedInfo, 0, size);
1500   size = sizeof(pFixedInfo->HostName);
1501   GetComputerNameExA(ComputerNameDnsHostname, pFixedInfo->HostName, &size);
1502   size = sizeof(pFixedInfo->DomainName);
1503   GetComputerNameExA(ComputerNameDnsDomain, pFixedInfo->DomainName, &size);
1504   if (_res.nscount > 0) {
1505     PIP_ADDR_STRING ptr;
1506     int i;
1507
1508     for (i = 0, ptr = &pFixedInfo->DnsServerList; i < _res.nscount && ptr;
1509      i++, ptr = ptr->Next) {
1510       toIPAddressString(_res.nsaddr_list[i].sin_addr.s_addr,
1511        ptr->IpAddress.String);
1512       if (i == _res.nscount - 1)
1513         ptr->Next = NULL;
1514       else if (i == 0)
1515         ptr->Next = (PIP_ADDR_STRING)((LPBYTE)pFixedInfo + sizeof(FIXED_INFO));
1516       else
1517         ptr->Next = (PIP_ADDR_STRING)((PBYTE)ptr + sizeof(IP_ADDR_STRING));
1518     }
1519   }
1520   pFixedInfo->NodeType = HYBRID_NODETYPE;
1521   regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
1522    "SYSTEM\\CurrentControlSet\\Services\\VxD\\MSTCP", 0, KEY_READ, &hKey);
1523   if (regReturn != ERROR_SUCCESS)
1524     regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
1525      "SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters", 0, KEY_READ,
1526      &hKey);
1527   if (regReturn == ERROR_SUCCESS)
1528   {
1529     DWORD size = sizeof(pFixedInfo->ScopeId);
1530
1531     RegQueryValueExA(hKey, "ScopeID", NULL, NULL, (LPBYTE)pFixedInfo->ScopeId, &size);
1532     RegCloseKey(hKey);
1533   }
1534
1535   /* FIXME: can check whether routing's enabled in /proc/sys/net/ipv4/ip_forward
1536      I suppose could also check for a listener on port 53 to set EnableDns */
1537   ret = NO_ERROR;
1538   TRACE("returning %d\n", ret);
1539   return ret;
1540 }
1541
1542
1543 /******************************************************************
1544  *    GetNumberOfInterfaces (IPHLPAPI.@)
1545  *
1546  * Get the number of interfaces.
1547  *
1548  * PARAMS
1549  *  pdwNumIf [Out] number of interfaces
1550  *
1551  * RETURNS
1552  *  NO_ERROR on success, ERROR_INVALID_PARAMETER if pdwNumIf is NULL.
1553  */
1554 DWORD WINAPI GetNumberOfInterfaces(PDWORD pdwNumIf)
1555 {
1556   DWORD ret;
1557
1558   TRACE("pdwNumIf %p\n", pdwNumIf);
1559   if (!pdwNumIf)
1560     ret = ERROR_INVALID_PARAMETER;
1561   else {
1562     *pdwNumIf = getNumInterfaces();
1563     ret = NO_ERROR;
1564   }
1565   TRACE("returning %d\n", ret);
1566   return ret;
1567 }
1568
1569
1570 /******************************************************************
1571  *    GetPerAdapterInfo (IPHLPAPI.@)
1572  *
1573  * Get information about an adapter corresponding to an interface.
1574  *
1575  * PARAMS
1576  *  IfIndex         [In]     interface info
1577  *  pPerAdapterInfo [Out]    buffer for per adapter info
1578  *  pOutBufLen      [In/Out] length of output buffer
1579  *
1580  * RETURNS
1581  *  Success: NO_ERROR
1582  *  Failure: error code from winerror.h
1583  *
1584  * FIXME
1585  *  Stub, returns empty IP_PER_ADAPTER_INFO in every case.
1586  */
1587 DWORD WINAPI GetPerAdapterInfo(ULONG IfIndex, PIP_PER_ADAPTER_INFO pPerAdapterInfo, PULONG pOutBufLen)
1588 {
1589   ULONG bytesNeeded = sizeof(IP_PER_ADAPTER_INFO);
1590
1591   TRACE("(IfIndex %d, pPerAdapterInfo %p, pOutBufLen %p)\n", IfIndex, pPerAdapterInfo, pOutBufLen);
1592
1593   if (!pOutBufLen) return ERROR_INVALID_PARAMETER;
1594
1595   if (!pPerAdapterInfo || *pOutBufLen < bytesNeeded)
1596   {
1597     *pOutBufLen = bytesNeeded;
1598     return ERROR_BUFFER_OVERFLOW;
1599   }
1600
1601   memset(pPerAdapterInfo, 0, bytesNeeded);
1602   return NO_ERROR;
1603 }
1604
1605
1606 /******************************************************************
1607  *    GetRTTAndHopCount (IPHLPAPI.@)
1608  *
1609  * Get round-trip time (RTT) and hop count.
1610  *
1611  * PARAMS
1612  *
1613  *  DestIpAddress [In]  destination address to get the info for
1614  *  HopCount      [Out] retrieved hop count
1615  *  MaxHops       [In]  maximum hops to search for the destination
1616  *  RTT           [Out] RTT in milliseconds
1617  *
1618  * RETURNS
1619  *  Success: TRUE
1620  *  Failure: FALSE
1621  *
1622  * FIXME
1623  *  Stub, returns FALSE.
1624  */
1625 BOOL WINAPI GetRTTAndHopCount(IPAddr DestIpAddress, PULONG HopCount, ULONG MaxHops, PULONG RTT)
1626 {
1627   FIXME("(DestIpAddress 0x%08x, HopCount %p, MaxHops %d, RTT %p): stub\n",
1628    DestIpAddress, HopCount, MaxHops, RTT);
1629   return FALSE;
1630 }
1631
1632
1633 /******************************************************************
1634  *    GetTcpTable (IPHLPAPI.@)
1635  *
1636  * Get the table of active TCP connections.
1637  *
1638  * PARAMS
1639  *  pTcpTable [Out]    buffer for TCP connections table
1640  *  pdwSize   [In/Out] length of output buffer
1641  *  bOrder    [In]     whether to order the table
1642  *
1643  * RETURNS
1644  *  Success: NO_ERROR
1645  *  Failure: error code from winerror.h
1646  *
1647  * NOTES
1648  *  If pdwSize is less than required, the function will return
1649  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to
1650  *  the required byte size.
1651  *  If bOrder is true, the returned table will be sorted, first by
1652  *  local address and port number, then by remote address and port
1653  *  number.
1654  */
1655 DWORD WINAPI GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
1656 {
1657     DWORD ret;
1658     PMIB_TCPTABLE table;
1659
1660     TRACE("pTcpTable %p, pdwSize %p, bOrder %d\n", pTcpTable, pdwSize, bOrder);
1661
1662     if (!pdwSize) return ERROR_INVALID_PARAMETER;
1663
1664     ret = AllocateAndGetTcpTableFromStack(&table, bOrder, GetProcessHeap(), 0);
1665     if (!ret) {
1666         DWORD size = FIELD_OFFSET( MIB_TCPTABLE, table[table->dwNumEntries] );
1667         if (!pTcpTable || *pdwSize < size) {
1668           *pdwSize = size;
1669           ret = ERROR_INSUFFICIENT_BUFFER;
1670         }
1671         else {
1672           *pdwSize = size;
1673           memcpy(pTcpTable, table, size);
1674         }
1675         HeapFree(GetProcessHeap(), 0, table);
1676     }
1677     TRACE("returning %d\n", ret);
1678     return ret;
1679 }
1680
1681
1682 /******************************************************************
1683  *    GetUdpTable (IPHLPAPI.@)
1684  *
1685  * Get a table of active UDP connections.
1686  *
1687  * PARAMS
1688  *  pUdpTable [Out]    buffer for UDP connections table
1689  *  pdwSize   [In/Out] length of output buffer
1690  *  bOrder    [In]     whether to order the table
1691  *
1692  * RETURNS
1693  *  Success: NO_ERROR
1694  *  Failure: error code from winerror.h
1695  *
1696  * NOTES
1697  *  If pdwSize is less than required, the function will return
1698  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the
1699  *  required byte size.
1700  *  If bOrder is true, the returned table will be sorted, first by
1701  *  local address, then by local port number.
1702  */
1703 DWORD WINAPI GetUdpTable(PMIB_UDPTABLE pUdpTable, PDWORD pdwSize, BOOL bOrder)
1704 {
1705     DWORD ret;
1706     PMIB_UDPTABLE table;
1707
1708     TRACE("pUdpTable %p, pdwSize %p, bOrder %d\n", pUdpTable, pdwSize, bOrder);
1709
1710     if (!pdwSize) return ERROR_INVALID_PARAMETER;
1711
1712     ret = AllocateAndGetUdpTableFromStack( &table, bOrder, GetProcessHeap(), 0 );
1713     if (!ret) {
1714         DWORD size = FIELD_OFFSET( MIB_UDPTABLE, table[table->dwNumEntries] );
1715         if (!pUdpTable || *pdwSize < size) {
1716           *pdwSize = size;
1717           ret = ERROR_INSUFFICIENT_BUFFER;
1718         }
1719         else {
1720           *pdwSize = size;
1721           memcpy(pUdpTable, table, size);
1722         }
1723         HeapFree(GetProcessHeap(), 0, table);
1724     }
1725     TRACE("returning %d\n", ret);
1726     return ret;
1727 }
1728
1729
1730 /******************************************************************
1731  *    GetUniDirectionalAdapterInfo (IPHLPAPI.@)
1732  *
1733  * This is a Win98-only function to get information on "unidirectional"
1734  * adapters.  Since this is pretty nonsensical in other contexts, it
1735  * never returns anything.
1736  *
1737  * PARAMS
1738  *  pIPIfInfo   [Out] buffer for adapter infos
1739  *  dwOutBufLen [Out] length of the output buffer
1740  *
1741  * RETURNS
1742  *  Success: NO_ERROR
1743  *  Failure: error code from winerror.h
1744  *
1745  * FIXME
1746  *  Stub, returns ERROR_NOT_SUPPORTED.
1747  */
1748 DWORD WINAPI GetUniDirectionalAdapterInfo(PIP_UNIDIRECTIONAL_ADAPTER_ADDRESS pIPIfInfo, PULONG dwOutBufLen)
1749 {
1750   TRACE("pIPIfInfo %p, dwOutBufLen %p\n", pIPIfInfo, dwOutBufLen);
1751   /* a unidirectional adapter?? not bloody likely! */
1752   return ERROR_NOT_SUPPORTED;
1753 }
1754
1755
1756 /******************************************************************
1757  *    IpReleaseAddress (IPHLPAPI.@)
1758  *
1759  * Release an IP obtained through DHCP,
1760  *
1761  * PARAMS
1762  *  AdapterInfo [In] adapter to release IP address
1763  *
1764  * RETURNS
1765  *  Success: NO_ERROR
1766  *  Failure: error code from winerror.h
1767  *
1768  * NOTES
1769  *  Since GetAdaptersInfo never returns adapters that have DHCP enabled,
1770  *  this function does nothing.
1771  *
1772  * FIXME
1773  *  Stub, returns ERROR_NOT_SUPPORTED.
1774  */
1775 DWORD WINAPI IpReleaseAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
1776 {
1777   TRACE("AdapterInfo %p\n", AdapterInfo);
1778   /* not a stub, never going to support this (and I never mark an adapter as
1779      DHCP enabled, see GetAdaptersInfo, so this should never get called) */
1780   return ERROR_NOT_SUPPORTED;
1781 }
1782
1783
1784 /******************************************************************
1785  *    IpRenewAddress (IPHLPAPI.@)
1786  *
1787  * Renew an IP obtained through DHCP.
1788  *
1789  * PARAMS
1790  *  AdapterInfo [In] adapter to renew IP address
1791  *
1792  * RETURNS
1793  *  Success: NO_ERROR
1794  *  Failure: error code from winerror.h
1795  *
1796  * NOTES
1797  *  Since GetAdaptersInfo never returns adapters that have DHCP enabled,
1798  *  this function does nothing.
1799  *
1800  * FIXME
1801  *  Stub, returns ERROR_NOT_SUPPORTED.
1802  */
1803 DWORD WINAPI IpRenewAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
1804 {
1805   TRACE("AdapterInfo %p\n", AdapterInfo);
1806   /* not a stub, never going to support this (and I never mark an adapter as
1807      DHCP enabled, see GetAdaptersInfo, so this should never get called) */
1808   return ERROR_NOT_SUPPORTED;
1809 }
1810
1811
1812 /******************************************************************
1813  *    NotifyAddrChange (IPHLPAPI.@)
1814  *
1815  * Notify caller whenever the ip-interface map is changed.
1816  *
1817  * PARAMS
1818  *  Handle     [Out] handle usable in asynchronous notification
1819  *  overlapped [In]  overlapped structure that notifies the caller
1820  *
1821  * RETURNS
1822  *  Success: NO_ERROR
1823  *  Failure: error code from winerror.h
1824  *
1825  * FIXME
1826  *  Stub, returns ERROR_NOT_SUPPORTED.
1827  */
1828 DWORD WINAPI NotifyAddrChange(PHANDLE Handle, LPOVERLAPPED overlapped)
1829 {
1830   FIXME("(Handle %p, overlapped %p): stub\n", Handle, overlapped);
1831   return ERROR_NOT_SUPPORTED;
1832 }
1833
1834
1835 /******************************************************************
1836  *    NotifyRouteChange (IPHLPAPI.@)
1837  *
1838  * Notify caller whenever the ip routing table is changed.
1839  *
1840  * PARAMS
1841  *  Handle     [Out] handle usable in asynchronous notification
1842  *  overlapped [In]  overlapped structure that notifies the caller
1843  *
1844  * RETURNS
1845  *  Success: NO_ERROR
1846  *  Failure: error code from winerror.h
1847  *
1848  * FIXME
1849  *  Stub, returns ERROR_NOT_SUPPORTED.
1850  */
1851 DWORD WINAPI NotifyRouteChange(PHANDLE Handle, LPOVERLAPPED overlapped)
1852 {
1853   FIXME("(Handle %p, overlapped %p): stub\n", Handle, overlapped);
1854   return ERROR_NOT_SUPPORTED;
1855 }
1856
1857
1858 /******************************************************************
1859  *    SendARP (IPHLPAPI.@)
1860  *
1861  * Send an ARP request.
1862  *
1863  * PARAMS
1864  *  DestIP     [In]     attempt to obtain this IP
1865  *  SrcIP      [In]     optional sender IP address
1866  *  pMacAddr   [Out]    buffer for the mac address
1867  *  PhyAddrLen [In/Out] length of the output buffer
1868  *
1869  * RETURNS
1870  *  Success: NO_ERROR
1871  *  Failure: error code from winerror.h
1872  *
1873  * FIXME
1874  *  Stub, returns ERROR_NOT_SUPPORTED.
1875  */
1876 DWORD WINAPI SendARP(IPAddr DestIP, IPAddr SrcIP, PULONG pMacAddr, PULONG PhyAddrLen)
1877 {
1878   FIXME("(DestIP 0x%08x, SrcIP 0x%08x, pMacAddr %p, PhyAddrLen %p): stub\n",
1879    DestIP, SrcIP, pMacAddr, PhyAddrLen);
1880   return ERROR_NOT_SUPPORTED;
1881 }
1882
1883
1884 /******************************************************************
1885  *    SetIfEntry (IPHLPAPI.@)
1886  *
1887  * Set the administrative status of an interface.
1888  *
1889  * PARAMS
1890  *  pIfRow [In] dwAdminStatus member specifies the new status.
1891  *
1892  * RETURNS
1893  *  Success: NO_ERROR
1894  *  Failure: error code from winerror.h
1895  *
1896  * FIXME
1897  *  Stub, returns ERROR_NOT_SUPPORTED.
1898  */
1899 DWORD WINAPI SetIfEntry(PMIB_IFROW pIfRow)
1900 {
1901   FIXME("(pIfRow %p): stub\n", pIfRow);
1902   /* this is supposed to set an interface administratively up or down.
1903      Could do SIOCSIFFLAGS and set/clear IFF_UP, but, not sure I want to, and
1904      this sort of down is indistinguishable from other sorts of down (e.g. no
1905      link). */
1906   return ERROR_NOT_SUPPORTED;
1907 }
1908
1909
1910 /******************************************************************
1911  *    SetIpForwardEntry (IPHLPAPI.@)
1912  *
1913  * Modify an existing route.
1914  *
1915  * PARAMS
1916  *  pRoute [In] route with the new information
1917  *
1918  * RETURNS
1919  *  Success: NO_ERROR
1920  *  Failure: error code from winerror.h
1921  *
1922  * FIXME
1923  *  Stub, returns NO_ERROR.
1924  */
1925 DWORD WINAPI SetIpForwardEntry(PMIB_IPFORWARDROW pRoute)
1926 {
1927   FIXME("(pRoute %p): stub\n", pRoute);
1928   /* this is to add a route entry, how's it distinguishable from
1929      CreateIpForwardEntry?
1930      could use SIOCADDRT, not sure I want to */
1931   return 0;
1932 }
1933
1934
1935 /******************************************************************
1936  *    SetIpNetEntry (IPHLPAPI.@)
1937  *
1938  * Modify an existing ARP entry.
1939  *
1940  * PARAMS
1941  *  pArpEntry [In] ARP entry with the new information
1942  *
1943  * RETURNS
1944  *  Success: NO_ERROR
1945  *  Failure: error code from winerror.h
1946  *
1947  * FIXME
1948  *  Stub, returns NO_ERROR.
1949  */
1950 DWORD WINAPI SetIpNetEntry(PMIB_IPNETROW pArpEntry)
1951 {
1952   FIXME("(pArpEntry %p): stub\n", pArpEntry);
1953   /* same as CreateIpNetEntry here, could use SIOCSARP, not sure I want to */
1954   return 0;
1955 }
1956
1957
1958 /******************************************************************
1959  *    SetIpStatistics (IPHLPAPI.@)
1960  *
1961  * Toggle IP forwarding and det the default TTL value.
1962  *
1963  * PARAMS
1964  *  pIpStats [In] IP statistics with the new information
1965  *
1966  * RETURNS
1967  *  Success: NO_ERROR
1968  *  Failure: error code from winerror.h
1969  *
1970  * FIXME
1971  *  Stub, returns NO_ERROR.
1972  */
1973 DWORD WINAPI SetIpStatistics(PMIB_IPSTATS pIpStats)
1974 {
1975   FIXME("(pIpStats %p): stub\n", pIpStats);
1976   return 0;
1977 }
1978
1979
1980 /******************************************************************
1981  *    SetIpTTL (IPHLPAPI.@)
1982  *
1983  * Set the default TTL value.
1984  *
1985  * PARAMS
1986  *  nTTL [In] new TTL value
1987  *
1988  * RETURNS
1989  *  Success: NO_ERROR
1990  *  Failure: error code from winerror.h
1991  *
1992  * FIXME
1993  *  Stub, returns NO_ERROR.
1994  */
1995 DWORD WINAPI SetIpTTL(UINT nTTL)
1996 {
1997   FIXME("(nTTL %d): stub\n", nTTL);
1998   /* could echo nTTL > /proc/net/sys/net/ipv4/ip_default_ttl, not sure I
1999      want to.  Could map EACCESS to ERROR_ACCESS_DENIED, I suppose */
2000   return 0;
2001 }
2002
2003
2004 /******************************************************************
2005  *    SetTcpEntry (IPHLPAPI.@)
2006  *
2007  * Set the state of a TCP connection.
2008  *
2009  * PARAMS
2010  *  pTcpRow [In] specifies connection with new state
2011  *
2012  * RETURNS
2013  *  Success: NO_ERROR
2014  *  Failure: error code from winerror.h
2015  *
2016  * FIXME
2017  *  Stub, returns NO_ERROR.
2018  */
2019 DWORD WINAPI SetTcpEntry(PMIB_TCPROW pTcpRow)
2020 {
2021   FIXME("(pTcpRow %p): stub\n", pTcpRow);
2022   return 0;
2023 }
2024
2025
2026 /******************************************************************
2027  *    UnenableRouter (IPHLPAPI.@)
2028  *
2029  * Decrement the IP-forwarding reference count. Turn off IP-forwarding
2030  * if it reaches zero.
2031  *
2032  * PARAMS
2033  *  pOverlapped     [In/Out] should be the same as in EnableRouter()
2034  *  lpdwEnableCount [Out]    optional, receives reference count
2035  *
2036  * RETURNS
2037  *  Success: NO_ERROR
2038  *  Failure: error code from winerror.h
2039  *
2040  * FIXME
2041  *  Stub, returns ERROR_NOT_SUPPORTED.
2042  */
2043 DWORD WINAPI UnenableRouter(OVERLAPPED * pOverlapped, LPDWORD lpdwEnableCount)
2044 {
2045   FIXME("(pOverlapped %p, lpdwEnableCount %p): stub\n", pOverlapped,
2046    lpdwEnableCount);
2047   /* could echo "0" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
2048      could map EACCESS to ERROR_ACCESS_DENIED, I suppose
2049    */
2050   return ERROR_NOT_SUPPORTED;
2051 }