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