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