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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  54 {
  55   switch (fdwReason) {
  56     case DLL_PROCESS_ATTACH:
  57       DisableThreadLibraryCalls( hinstDLL );
  58       break;
  59
  60     case DLL_PROCESS_DETACH:
  61       break;
  62   }
  63   return TRUE;
  64 }
  65
  66 /******************************************************************
  67  *    AddIPAddress (IPHLPAPI.@)
  68  *
  69  * Add an IP address to an adapter.
  70  *
  71  * PARAMS
  72  *  Address     [In]  IP address to add to the adapter
  73  *  IpMask      [In]  subnet mask for the IP address
  74  *  IfIndex     [In]  adapter index to add the address
  75  *  NTEContext  [Out] Net Table Entry (NTE) context for the IP address
  76  *  NTEInstance [Out] NTE instance for the IP address
  77  *
  78  * RETURNS
  79  *  Success: NO_ERROR
  80  *  Failure: error code from winerror.h
  81  *
  82  * FIXME
  83  *  Stub. Currently returns ERROR_NOT_SUPPORTED.
  84  */
  85 DWORD WINAPI AddIPAddress(IPAddr Address, IPMask IpMask, DWORD IfIndex, PULONG NTEContext, PULONG NTEInstance)
  86 {
  87   FIXME(":stub\n");
  88   return ERROR_NOT_SUPPORTED;
  89 }
  90
  91
  92 /******************************************************************
  93  *    AllocateAndGetIfTableFromStack (IPHLPAPI.@)
  94  *
  95  * Get table of local interfaces.
  96  * Like GetIfTable(), but allocate the returned table from heap.
  97  *
  98  * PARAMS
  99  *  ppIfTable [Out] pointer into which the MIB_IFTABLE is
 100  *                  allocated and returned.
 101  *  bOrder    [In]  whether to sort the table
 102  *  heap      [In]  heap from which the table is allocated
 103  *  flags     [In]  flags to HeapAlloc
 104  *
 105  * RETURNS
 106  *  ERROR_INVALID_PARAMETER if ppIfTable is NULL, whatever
 107  *  GetIfTable() returns otherwise.
 108  */
 109 DWORD WINAPI AllocateAndGetIfTableFromStack(PMIB_IFTABLE *ppIfTable,
 110  BOOL bOrder, HANDLE heap, DWORD flags)
 111 {
 112   DWORD ret;
 113
 114   TRACE("ppIfTable %p, bOrder %d, heap %p, flags 0x%08lx\n", ppIfTable,
 115         bOrder, heap, flags);
 116   if (!ppIfTable)
 117     ret = ERROR_INVALID_PARAMETER;
 118   else {
 119     DWORD dwSize = 0;
 120
 121     ret = GetIfTable(*ppIfTable, &dwSize, bOrder);
 122     if (ret == ERROR_INSUFFICIENT_BUFFER) {
 123       *ppIfTable = HeapAlloc(heap, flags, dwSize);
 124       ret = GetIfTable(*ppIfTable, &dwSize, bOrder);
 125     }
 126   }
 127   TRACE("returning %ld\n", ret);
 128   return ret;
 129 }
 130
 131
 132 static int IpAddrTableSorter(const void *a, const void *b)
 133 {
 134   int ret;
 135
 136   if (a && b)
 137     ret = ((const MIB_IPADDRROW*)a)->dwAddr - ((const MIB_IPADDRROW*)b)->dwAddr;
 138   else
 139     ret = 0;
 140   return ret;
 141 }
 142
 143
 144 /******************************************************************
 145  *    AllocateAndGetIpAddrTableFromStack (IPHLPAPI.@)
 146  *
 147  * Get interface-to-IP address mapping table.
 148  * Like GetIpAddrTable(), but allocate the returned table from heap.
 149  *
 150  * PARAMS
 151  *  ppIpAddrTable [Out] pointer into which the MIB_IPADDRTABLE is
 152  *                      allocated and returned.
 153  *  bOrder        [In]  whether to sort the table
 154  *  heap          [In]  heap from which the table is allocated
 155  *  flags         [In]  flags to HeapAlloc
 156  *
 157  * RETURNS
 158  *  ERROR_INVALID_PARAMETER if ppIpAddrTable is NULL, other error codes on
 159  *  failure, NO_ERROR on success.
 160  */
 161 DWORD WINAPI AllocateAndGetIpAddrTableFromStack(PMIB_IPADDRTABLE *ppIpAddrTable,
 162  BOOL bOrder, HANDLE heap, DWORD flags)
 163 {
 164   DWORD ret;
 165
 166   TRACE("ppIpAddrTable %p, bOrder %d, heap %p, flags 0x%08lx\n",
 167    ppIpAddrTable, bOrder, heap, flags);
 168   ret = getIPAddrTable(ppIpAddrTable, heap, flags);
 169   if (!ret && bOrder)
 170     qsort((*ppIpAddrTable)->table, (*ppIpAddrTable)->dwNumEntries,
 171      sizeof(MIB_IPADDRROW), IpAddrTableSorter);
 172   TRACE("returning %ld\n", ret);
 173   return ret;
 174 }
 175
 176
 177 static int IpForwardTableSorter(const void *a, const void *b)
 178 {
 179   int ret;
 180
 181   if (a && b) {
 182    const MIB_IPFORWARDROW* rowA = (const MIB_IPFORWARDROW*)a;
 183    const MIB_IPFORWARDROW* rowB = (const MIB_IPFORWARDROW*)b;
 184
 185     ret = rowA->dwForwardDest - rowB->dwForwardDest;
 186     if (ret == 0) {
 187       ret = rowA->dwForwardProto - rowB->dwForwardProto;
 188       if (ret == 0) {
 189         ret = rowA->dwForwardPolicy - rowB->dwForwardPolicy;
 190         if (ret == 0)
 191           ret = rowA->dwForwardNextHop - rowB->dwForwardNextHop;
 192       }
 193     }
 194   }
 195   else
 196     ret = 0;
 197   return ret;
 198 }
 199
 200
 201 /******************************************************************
 202  *    AllocateAndGetIpForwardTableFromStack (IPHLPAPI.@)
 203  *
 204  * Get the route table.
 205  * Like GetIpForwardTable(), but allocate the returned table from heap.
 206  *
 207  * PARAMS
 208  *  ppIpForwardTable [Out] pointer into which the MIB_IPFORWARDTABLE is
 209  *                         allocated and returned.
 210  *  bOrder           [In]  whether to sort the table
 211  *  heap             [In]  heap from which the table is allocated
 212  *  flags            [In]  flags to HeapAlloc
 213  *
 214  * RETURNS
 215  *  ERROR_INVALID_PARAMETER if ppIfTable is NULL, other error codes
 216  *  on failure, NO_ERROR on success.
 217  */
 218 DWORD WINAPI AllocateAndGetIpForwardTableFromStack(PMIB_IPFORWARDTABLE *
 219  ppIpForwardTable, BOOL bOrder, HANDLE heap, DWORD flags)
 220 {
 221   DWORD ret;
 222
 223   TRACE("ppIpForwardTable %p, bOrder %d, heap %p, flags 0x%08lx\n",
 224    ppIpForwardTable, bOrder, heap, flags);
 225   ret = getRouteTable(ppIpForwardTable, heap, flags);
 226   if (!ret && bOrder)
 227     qsort((*ppIpForwardTable)->table, (*ppIpForwardTable)->dwNumEntries,
 228      sizeof(MIB_IPFORWARDROW), IpForwardTableSorter);
 229   TRACE("returning %ld\n", ret);
 230   return ret;
 231 }
 232
 233
 234 static int IpNetTableSorter(const void *a, const void *b)
 235 {
 236   int ret;
 237
 238   if (a && b)
 239     ret = ((const MIB_IPNETROW*)a)->dwAddr - ((const MIB_IPNETROW*)b)->dwAddr;
 240   else
 241     ret = 0;
 242   return ret;
 243 }
 244
 245
 246 /******************************************************************
 247  *    AllocateAndGetIpNetTableFromStack (IPHLPAPI.@)
 248  *
 249  * Get the IP-to-physical address mapping table.
 250  * Like GetIpNetTable(), but allocate the returned table from heap.
 251  *
 252  * PARAMS
 253  *  ppIpNetTable [Out] pointer into which the MIB_IPNETTABLE is
 254  *                     allocated and returned.
 255  *  bOrder       [In]  whether to sort the table
 256  *  heap         [In]  heap from which the table is allocated
 257  *  flags        [In]  flags to HeapAlloc
 258  *
 259  * RETURNS
 260  *  ERROR_INVALID_PARAMETER if ppIpNetTable is NULL, other error codes
 261  *  on failure, NO_ERROR on success.
 262  */
 263 DWORD WINAPI AllocateAndGetIpNetTableFromStack(PMIB_IPNETTABLE *ppIpNetTable,
 264  BOOL bOrder, HANDLE heap, DWORD flags)
 265 {
 266   DWORD ret;
 267
 268   TRACE("ppIpNetTable %p, bOrder %d, heap %p, flags 0x%08lx\n",
 269    ppIpNetTable, bOrder, heap, flags);
 270   ret = getArpTable(ppIpNetTable, heap, flags);
 271   if (!ret && bOrder)
 272     qsort((*ppIpNetTable)->table, (*ppIpNetTable)->dwNumEntries,
 273      sizeof(MIB_IPADDRROW), IpNetTableSorter);
 274   TRACE("returning %ld\n", ret);
 275   return ret;
 276 }
 277
 278
 279 static int TcpTableSorter(const void *a, const void *b)
 280 {
 281   int ret;
 282
 283   if (a && b) {
 284     const MIB_TCPROW* rowA = a;
 285     const MIB_TCPROW* rowB = b;
 286
 287     ret = rowA->dwLocalAddr - rowB->dwLocalAddr;
 288     if (ret == 0) {
 289       ret = rowA->dwLocalPort - rowB->dwLocalPort;
 290       if (ret == 0) {
 291         ret = rowA->dwRemoteAddr - rowB->dwRemoteAddr;
 292         if (ret == 0)
 293           ret = rowA->dwRemotePort - rowB->dwRemotePort;
 294       }
 295     }
 296   }
 297   else
 298     ret = 0;
 299   return ret;
 300 }
 301
 302
 303 /******************************************************************
 304  *    AllocateAndGetTcpTableFromStack (IPHLPAPI.@)
 305  *
 306  * Get the TCP connection table.
 307  * Like GetTcpTable(), but allocate the returned table from heap.
 308  *
 309  * PARAMS
 310  *  ppTcpTable [Out] pointer into which the MIB_TCPTABLE is
 311  *                   allocated and returned.
 312  *  bOrder     [In]  whether to sort the table
 313  *  heap       [In]  heap from which the table is allocated
 314  *  flags      [In]  flags to HeapAlloc
 315  *
 316  * RETURNS
 317  *  ERROR_INVALID_PARAMETER if ppTcpTable is NULL, whatever GetTcpTable()
 318  *  returns otherwise.
 319  */
 320 DWORD WINAPI AllocateAndGetTcpTableFromStack(PMIB_TCPTABLE *ppTcpTable,
 321  BOOL bOrder, HANDLE heap, DWORD flags)
 322 {
 323   DWORD ret;
 324
 325   TRACE("ppTcpTable %p, bOrder %d, heap %p, flags 0x%08lx\n",
 326    ppTcpTable, bOrder, heap, flags);
 327   ret = getTcpTable(ppTcpTable, heap, flags);
 328   if (!ret && bOrder)
 329     qsort((*ppTcpTable)->table, (*ppTcpTable)->dwNumEntries,
 330      sizeof(MIB_TCPROW), TcpTableSorter);
 331   TRACE("returning %ld\n", ret);
 332   return ret;
 333 }
 334
 335
 336 static int UdpTableSorter(const void *a, const void *b)
 337 {
 338   int ret;
 339
 340   if (a && b) {
 341     const MIB_UDPROW* rowA = (const MIB_UDPROW*)a;
 342     const MIB_UDPROW* rowB = (const MIB_UDPROW*)b;
 343
 344     ret = rowA->dwLocalAddr - rowB->dwLocalAddr;
 345     if (ret == 0)
 346       ret = rowA->dwLocalPort - rowB->dwLocalPort;
 347   }
 348   else
 349     ret = 0;
 350   return ret;
 351 }
 352
 353
 354 /******************************************************************
 355  *    AllocateAndGetUdpTableFromStack (IPHLPAPI.@)
 356  *
 357  * Get the UDP listener table.
 358  * Like GetUdpTable(), but allocate the returned table from heap.
 359  *
 360  * PARAMS
 361  *  ppUdpTable [Out] pointer into which the MIB_UDPTABLE is
 362  *                   allocated and returned.
 363  *  bOrder     [In]  whether to sort the table
 364  *  heap       [In]  heap from which the table is allocated
 365  *  flags      [In]  flags to HeapAlloc
 366  *
 367  * RETURNS
 368  *  ERROR_INVALID_PARAMETER if ppUdpTable is NULL, whatever GetUdpTable()
 369  *  returns otherwise.
 370  */
 371 DWORD WINAPI AllocateAndGetUdpTableFromStack(PMIB_UDPTABLE *ppUdpTable,
 372  BOOL bOrder, HANDLE heap, DWORD flags)
 373 {
 374   DWORD ret;
 375
 376   TRACE("ppUdpTable %p, bOrder %d, heap %p, flags 0x%08lx\n",
 377    ppUdpTable, bOrder, heap, flags);
 378   ret = getUdpTable(ppUdpTable, heap, flags);
 379   if (!ret && bOrder)
 380     qsort((*ppUdpTable)->table, (*ppUdpTable)->dwNumEntries,
 381      sizeof(MIB_UDPROW), UdpTableSorter);
 382   TRACE("returning %ld\n", ret);
 383   return ret;
 384 }
 385
 386
 387 /******************************************************************
 388  *    CreateIpForwardEntry (IPHLPAPI.@)
 389  *
 390  * Create a route in the local computer's IP table.
 391  *
 392  * PARAMS
 393  *  pRoute [In] new route information
 394  *
 395  * RETURNS
 396  *  Success: NO_ERROR
 397  *  Failure: error code from winerror.h
 398  *
 399  * FIXME
 400  *  Stub, always returns NO_ERROR.
 401  */
 402 DWORD WINAPI CreateIpForwardEntry(PMIB_IPFORWARDROW pRoute)
 403 {
 404   FIXME("(pRoute %p): stub\n", pRoute);
 405   /* could use SIOCADDRT, not sure I want to */
 406   return (DWORD) 0;
 407 }
 408
 409
 410 /******************************************************************
 411  *    CreateIpNetEntry (IPHLPAPI.@)
 412  *
 413  * Create entry in the ARP table.
 414  *
 415  * PARAMS
 416  *  pArpEntry [In] new ARP entry
 417  *
 418  * RETURNS
 419  *  Success: NO_ERROR
 420  *  Failure: error code from winerror.h
 421  *
 422  * FIXME
 423  *  Stub, always returns NO_ERROR.
 424  */
 425 DWORD WINAPI CreateIpNetEntry(PMIB_IPNETROW pArpEntry)
 426 {
 427   FIXME("(pArpEntry %p)\n", pArpEntry);
 428   /* could use SIOCSARP on systems that support it, not sure I want to */
 429   return (DWORD) 0;
 430 }
 431
 432
 433 /******************************************************************
 434  *    CreateProxyArpEntry (IPHLPAPI.@)
 435  *
 436  * Create a Proxy ARP (PARP) entry for an IP address.
 437  *
 438  * PARAMS
 439  *  dwAddress [In] IP address for which this computer acts as a proxy.
 440  *  dwMask    [In] subnet mask for dwAddress
 441  *  dwIfIndex [In] interface index
 442  *
 443  * RETURNS
 444  *  Success: NO_ERROR
 445  *  Failure: error code from winerror.h
 446  *
 447  * FIXME
 448  *  Stub, returns ERROR_NOT_SUPPORTED.
 449  */
 450 DWORD WINAPI CreateProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
 451 {
 452   FIXME("(dwAddress 0x%08lx, dwMask 0x%08lx, dwIfIndex 0x%08lx): stub\n",
 453    dwAddress, dwMask, dwIfIndex);
 454   return ERROR_NOT_SUPPORTED;
 455 }
 456
 457
 458 /******************************************************************
 459  *    DeleteIPAddress (IPHLPAPI.@)
 460  *
 461  * Delete an IP address added with AddIPAddress().
 462  *
 463  * PARAMS
 464  *  NTEContext [In] NTE context from AddIPAddress();
 465  *
 466  * RETURNS
 467  *  Success: NO_ERROR
 468  *  Failure: error code from winerror.h
 469  *
 470  * FIXME
 471  *  Stub, returns ERROR_NOT_SUPPORTED.
 472  */
 473 DWORD WINAPI DeleteIPAddress(ULONG NTEContext)
 474 {
 475   FIXME("(NTEContext %ld): stub\n", NTEContext);
 476   return ERROR_NOT_SUPPORTED;
 477 }
 478
 479
 480 /******************************************************************
 481  *    DeleteIpForwardEntry (IPHLPAPI.@)
 482  *
 483  * Delete a route.
 484  *
 485  * PARAMS
 486  *  pRoute [In] route to delete
 487  *
 488  * RETURNS
 489  *  Success: NO_ERROR
 490  *  Failure: error code from winerror.h
 491  *
 492  * FIXME
 493  *  Stub, returns NO_ERROR.
 494  */
 495 DWORD WINAPI DeleteIpForwardEntry(PMIB_IPFORWARDROW pRoute)
 496 {
 497   FIXME("(pRoute %p): stub\n", pRoute);
 498   /* could use SIOCDELRT, not sure I want to */
 499   return (DWORD) 0;
 500 }
 501
 502
 503 /******************************************************************
 504  *    DeleteIpNetEntry (IPHLPAPI.@)
 505  *
 506  * Delete an ARP entry.
 507  *
 508  * PARAMS
 509  *  pArpEntry [In] ARP entry to delete
 510  *
 511  * RETURNS
 512  *  Success: NO_ERROR
 513  *  Failure: error code from winerror.h
 514  *
 515  * FIXME
 516  *  Stub, returns NO_ERROR.
 517  */
 518 DWORD WINAPI DeleteIpNetEntry(PMIB_IPNETROW pArpEntry)
 519 {
 520   FIXME("(pArpEntry %p): stub\n", pArpEntry);
 521   /* could use SIOCDARP on systems that support it, not sure I want to */
 522   return (DWORD) 0;
 523 }
 524
 525
 526 /******************************************************************
 527  *    DeleteProxyArpEntry (IPHLPAPI.@)
 528  *
 529  * Delete a Proxy ARP entry.
 530  *
 531  * PARAMS
 532  *  dwAddress [In] IP address for which this computer acts as a proxy.
 533  *  dwMask    [In] subnet mask for dwAddress
 534  *  dwIfIndex [In] interface index
 535  *
 536  * RETURNS
 537  *  Success: NO_ERROR
 538  *  Failure: error code from winerror.h
 539  *
 540  * FIXME
 541  *  Stub, returns ERROR_NOT_SUPPORTED.
 542  */
 543 DWORD WINAPI DeleteProxyArpEntry(DWORD dwAddress, DWORD dwMask, DWORD dwIfIndex)
 544 {
 545   FIXME("(dwAddress 0x%08lx, dwMask 0x%08lx, dwIfIndex 0x%08lx): stub\n",
 546    dwAddress, dwMask, dwIfIndex);
 547   return ERROR_NOT_SUPPORTED;
 548 }
 549
 550
 551 /******************************************************************
 552  *    EnableRouter (IPHLPAPI.@)
 553  *
 554  * Turn on ip forwarding.
 555  *
 556  * PARAMS
 557  *  pHandle     [In/Out]
 558  *  pOverlapped [In/Out] hEvent member should contain a valid handle.
 559  *
 560  * RETURNS
 561  *  Success: ERROR_IO_PENDING
 562  *  Failure: error code from winerror.h
 563  *
 564  * FIXME
 565  *  Stub, returns ERROR_NOT_SUPPORTED.
 566  */
 567 DWORD WINAPI EnableRouter(HANDLE * pHandle, OVERLAPPED * pOverlapped)
 568 {
 569   FIXME("(pHandle %p, pOverlapped %p): stub\n", pHandle, pOverlapped);
 570   /* could echo "1" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
 571      could map EACCESS to ERROR_ACCESS_DENIED, I suppose
 572    */
 573   return ERROR_NOT_SUPPORTED;
 574 }
 575
 576
 577 /******************************************************************
 578  *    FlushIpNetTable (IPHLPAPI.@)
 579  *
 580  * Delete all ARP entries of an interface
 581  *
 582  * PARAMS
 583  *  dwIfIndex [In] interface index
 584  *
 585  * RETURNS
 586  *  Success: NO_ERROR
 587  *  Failure: error code from winerror.h
 588  *
 589  * FIXME
 590  *  Stub, returns ERROR_NOT_SUPPORTED.
 591  */
 592 DWORD WINAPI FlushIpNetTable(DWORD dwIfIndex)
 593 {
 594   FIXME("(dwIfIndex 0x%08lx): stub\n", dwIfIndex);
 595   /* this flushes the arp cache of the given index */
 596   return ERROR_NOT_SUPPORTED;
 597 }
 598
 599
 600 /******************************************************************
 601  *    GetAdapterIndex (IPHLPAPI.@)
 602  *
 603  * Get interface index from its name.
 604  *
 605  * PARAMS
 606  *  AdapterName [In]  unicode string with the adapter name
 607  *  IfIndex     [Out] returns found interface index
 608  *
 609  * RETURNS
 610  *  Success: NO_ERROR
 611  *  Failure: error code from winerror.h
 612  *
 613  * FIXME
 614  *  Stub, returns ERROR_NOT_SUPPORTED.
 615  */
 616 DWORD WINAPI GetAdapterIndex(LPWSTR AdapterName, PULONG IfIndex)
 617 {
 618   FIXME("(AdapterName %p, IfIndex %p): stub\n", AdapterName, IfIndex);
 619   /* FIXME: implement using getInterfaceIndexByName */
 620   return ERROR_NOT_SUPPORTED;
 621 }
 622
 623
 624 /******************************************************************
 625  *    GetAdaptersInfo (IPHLPAPI.@)
 626  *
 627  * Get information about adapters.
 628  *
 629  * PARAMS
 630  *  pAdapterInfo [Out] buffer for adapter infos
 631  *  pOutBufLen   [In]  length of output buffer
 632  *
 633  * RETURNS
 634  *  Success: NO_ERROR
 635  *  Failure: error code from winerror.h
 636  */
 637 DWORD WINAPI GetAdaptersInfo(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen)
 638 {
 639   DWORD ret;
 640
 641   TRACE("pAdapterInfo %p, pOutBufLen %p\n", pAdapterInfo, pOutBufLen);
 642   if (!pOutBufLen)
 643     ret = ERROR_INVALID_PARAMETER;
 644   else {
 645     DWORD numNonLoopbackInterfaces = getNumNonLoopbackInterfaces();
 646
 647     if (numNonLoopbackInterfaces > 0) {
 648       DWORD numIPAddresses = getNumIPAddresses();
 649       ULONG size;
 650
 651       /* This may slightly overestimate the amount of space needed, because
 652        * the IP addresses include the loopback address, but it's easier
 653        * to make sure there's more than enough space than to make sure there's
 654        * precisely enough space.
 655        */
 656       size = sizeof(IP_ADAPTER_INFO) * numNonLoopbackInterfaces;
 657       size += numIPAddresses  * sizeof(IP_ADDR_STRING);
 658       if (!pAdapterInfo || *pOutBufLen < size) {
 659         *pOutBufLen = size;
 660         ret = ERROR_BUFFER_OVERFLOW;
 661       }
 662       else {
 663         InterfaceIndexTable *table = NULL;
 664         PMIB_IPADDRTABLE ipAddrTable = NULL;
 665
 666         ret = getIPAddrTable(&ipAddrTable, GetProcessHeap(), 0);
 667         if (!ret)
 668           table = getNonLoopbackInterfaceIndexTable();
 669         if (table) {
 670           size = sizeof(IP_ADAPTER_INFO) * table->numIndexes;
 671           size += ipAddrTable->dwNumEntries * sizeof(IP_ADDR_STRING);
 672           if (*pOutBufLen < size) {
 673             *pOutBufLen = size;
 674             ret = ERROR_INSUFFICIENT_BUFFER;
 675           }
 676           else {
 677             DWORD ndx;
 678             HKEY hKey;
 679             BOOL winsEnabled = FALSE;
 680             IP_ADDRESS_STRING primaryWINS, secondaryWINS;
 681             PIP_ADDR_STRING nextIPAddr = (PIP_ADDR_STRING)((LPBYTE)pAdapterInfo
 682              + numNonLoopbackInterfaces * sizeof(IP_ADAPTER_INFO));
 683
 684             memset(pAdapterInfo, 0, size);
 685             /* @@ Wine registry key: HKCU\Software\Wine\Network */
 686             if (RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Network",
 687              &hKey) == ERROR_SUCCESS) {
 688               DWORD size = sizeof(primaryWINS.String);
 689               unsigned long addr;
 690
 691               RegQueryValueExA(hKey, "WinsServer", NULL, NULL,
 692                (LPBYTE)primaryWINS.String, &size);
 693               addr = inet_addr(primaryWINS.String);
 694               if (addr != INADDR_NONE && addr != INADDR_ANY)
 695                 winsEnabled = TRUE;
 696               size = sizeof(secondaryWINS.String);
 697               RegQueryValueExA(hKey, "BackupWinsServer", NULL, NULL,
 698                (LPBYTE)secondaryWINS.String, &size);
 699               addr = inet_addr(secondaryWINS.String);
 700               if (addr != INADDR_NONE && addr != INADDR_ANY)
 701                 winsEnabled = TRUE;
 702               RegCloseKey(hKey);
 703             }
 704             for (ndx = 0; ndx < table->numIndexes; ndx++) {
 705               PIP_ADAPTER_INFO ptr = &pAdapterInfo[ndx];
 706               DWORD addrLen = sizeof(ptr->Address), type, i;
 707               PIP_ADDR_STRING currentIPAddr = &ptr->IpAddressList;
 708               BOOL firstIPAddr = TRUE;
 709
 710               /* on Win98 this is left empty, but whatever */
 711               getInterfaceNameByIndex(table->indexes[ndx], ptr->AdapterName);
 712               getInterfacePhysicalByIndex(table->indexes[ndx], &addrLen,
 713                ptr->Address, &type);
 714               /* MS defines address length and type as UINT in some places and
 715                  DWORD in others, **sigh**.  Don't want to assume that PUINT and
 716                  PDWORD are equiv (64-bit?) */
 717               ptr->AddressLength = addrLen;
 718               ptr->Type = type;
 719               ptr->Index = table->indexes[ndx];
 720               for (i = 0; i < ipAddrTable->dwNumEntries; i++) {
 721                 if (ipAddrTable->table[i].dwIndex == ptr->Index) {
 722                   if (firstIPAddr) {
 723                     toIPAddressString(ipAddrTable->table[i].dwAddr,
 724                      ptr->IpAddressList.IpAddress.String);
 725                     toIPAddressString(ipAddrTable->table[i].dwBCastAddr,
 726                      ptr->IpAddressList.IpMask.String);
 727                     firstIPAddr = FALSE;
 728                   }
 729                   else {
 730                     currentIPAddr->Next = nextIPAddr;
 731                     currentIPAddr = nextIPAddr;
 732                     toIPAddressString(ipAddrTable->table[i].dwAddr,
 733                      currentIPAddr->IpAddress.String);
 734                     toIPAddressString(ipAddrTable->table[i].dwBCastAddr,
 735                      currentIPAddr->IpMask.String);
 736                     nextIPAddr++;
 737                   }
 738                 }
 739               }
 740               if (winsEnabled) {
 741                 ptr->HaveWins = TRUE;
 742                 memcpy(ptr->PrimaryWinsServer.IpAddress.String,
 743                  primaryWINS.String, sizeof(primaryWINS.String));
 744                 memcpy(ptr->SecondaryWinsServer.IpAddress.String,
 745                  secondaryWINS.String, sizeof(secondaryWINS.String));
 746               }
 747               if (ndx < table->numIndexes - 1)
 748                 ptr->Next = &pAdapterInfo[ndx + 1];
 749               else
 750                 ptr->Next = NULL;
 751             }
 752             ret = NO_ERROR;
 753           }
 754           HeapFree(GetProcessHeap(), 0, table);
 755         }
 756         else
 757           ret = ERROR_OUTOFMEMORY;
 758         if (ipAddrTable)
 759           HeapFree(GetProcessHeap(), 0, ipAddrTable);
 760       }
 761     }
 762     else
 763       ret = ERROR_NO_DATA;
 764   }
 765   TRACE("returning %ld\n", ret);
 766   return ret;
 767 }
 768
 769
 770 /******************************************************************
 771  *    GetBestInterface (IPHLPAPI.@)
 772  *
 773  * Get the interface, with the best route for the given IP address.
 774  *
 775  * PARAMS
 776  *  dwDestAddr     [In]  IP address to search the interface for
 777  *  pdwBestIfIndex [Out] found best interface
 778  *
 779  * RETURNS
 780  *  Success: NO_ERROR
 781  *  Failure: error code from winerror.h
 782  */
 783 DWORD WINAPI GetBestInterface(IPAddr dwDestAddr, PDWORD pdwBestIfIndex)
 784 {
 785   DWORD ret;
 786
 787   TRACE("dwDestAddr 0x%08lx, pdwBestIfIndex %p\n", dwDestAddr, pdwBestIfIndex);
 788   if (!pdwBestIfIndex)
 789     ret = ERROR_INVALID_PARAMETER;
 790   else {
 791     MIB_IPFORWARDROW ipRow;
 792
 793     ret = GetBestRoute(dwDestAddr, 0, &ipRow);
 794     if (ret == ERROR_SUCCESS)
 795       *pdwBestIfIndex = ipRow.dwForwardIfIndex;
 796   }
 797   TRACE("returning %ld\n", ret);
 798   return ret;
 799 }
 800
 801
 802 /******************************************************************
 803  *    GetBestRoute (IPHLPAPI.@)
 804  *
 805  * Get the best route for the given IP address.
 806  *
 807  * PARAMS
 808  *  dwDestAddr   [In]  IP address to search the best route for
 809  *  dwSourceAddr [In]  optional source IP address
 810  *  pBestRoute   [Out] found best route
 811  *
 812  * RETURNS
 813  *  Success: NO_ERROR
 814  *  Failure: error code from winerror.h
 815  */
 816 DWORD WINAPI GetBestRoute(DWORD dwDestAddr, DWORD dwSourceAddr, PMIB_IPFORWARDROW pBestRoute)
 817 {
 818   PMIB_IPFORWARDTABLE table;
 819   DWORD ret;
 820
 821   TRACE("dwDestAddr 0x%08lx, dwSourceAddr 0x%08lx, pBestRoute %p\n", dwDestAddr,
 822    dwSourceAddr, pBestRoute);
 823   if (!pBestRoute)
 824     return ERROR_INVALID_PARAMETER;
 825
 826   AllocateAndGetIpForwardTableFromStack(&table, FALSE, GetProcessHeap(), 0);
 827   if (table) {
 828     DWORD ndx, matchedBits, matchedNdx = 0;
 829
 830     for (ndx = 0, matchedBits = 0; ndx < table->dwNumEntries; ndx++) {
 831       if (table->table[ndx].dwForwardType != MIB_IPROUTE_TYPE_INVALID &&
 832        (dwDestAddr & table->table[ndx].dwForwardMask) ==
 833        (table->table[ndx].dwForwardDest & table->table[ndx].dwForwardMask)) {
 834         DWORD numShifts, mask;
 835
 836         for (numShifts = 0, mask = table->table[ndx].dwForwardMask;
 837          mask && !(mask & 1); mask >>= 1, numShifts++)
 838           ;
 839         if (numShifts > matchedBits) {
 840           matchedBits = numShifts;
 841           matchedNdx = ndx;
 842         }
 843       }
 844     }
 845     if (matchedNdx < table->dwNumEntries) {
 846       memcpy(pBestRoute, &table->table[matchedNdx], sizeof(MIB_IPFORWARDROW));
 847       ret = ERROR_SUCCESS;
 848     }
 849     else {
 850       /* No route matches, which can happen if there's no default route. */
 851       ret = ERROR_HOST_UNREACHABLE;
 852     }
 853     HeapFree(GetProcessHeap(), 0, table);
 854   }
 855   else
 856     ret = ERROR_OUTOFMEMORY;
 857   TRACE("returning %ld\n", ret);
 858   return ret;
 859 }
 860
 861
 862 /******************************************************************
 863  *    GetFriendlyIfIndex (IPHLPAPI.@)
 864  *
 865  * Get a "friendly" version of IfIndex, which is one that doesn't
 866  * have the top byte set.  Doesn't validate whether IfIndex is a valid
 867  * adapter index.
 868  *
 869  * PARAMS
 870  *  IfIndex [In] interface index to get the friendly one for
 871  *
 872  * RETURNS
 873  *  A friendly version of IfIndex.
 874  */
 875 DWORD WINAPI GetFriendlyIfIndex(DWORD IfIndex)
 876 {
 877   /* windows doesn't validate these, either, just makes sure the top byte is
 878      cleared.  I assume my ifenum module never gives an index with the top
 879      byte set. */
 880   TRACE("returning %ld\n", IfIndex);
 881   return IfIndex;
 882 }
 883
 884
 885 /******************************************************************
 886  *    GetIcmpStatistics (IPHLPAPI.@)
 887  *
 888  * Get the ICMP statistics for the local computer.
 889  *
 890  * PARAMS
 891  *  pStats [Out] buffer for ICMP statistics
 892  *
 893  * RETURNS
 894  *  Success: NO_ERROR
 895  *  Failure: error code from winerror.h
 896  */
 897 DWORD WINAPI GetIcmpStatistics(PMIB_ICMP pStats)
 898 {
 899   DWORD ret;
 900
 901   TRACE("pStats %p\n", pStats);
 902   ret = getICMPStats(pStats);
 903   TRACE("returning %ld\n", ret);
 904   return ret;
 905 }
 906
 907
 908 /******************************************************************
 909  *    GetIfEntry (IPHLPAPI.@)
 910  *
 911  * Get information about an interface.
 912  *
 913  * PARAMS
 914  *  pIfRow [In/Out] In:  dwIndex of MIB_IFROW selects the interface.
 915  *                  Out: interface information
 916  *
 917  * RETURNS
 918  *  Success: NO_ERROR
 919  *  Failure: error code from winerror.h
 920  */
 921 DWORD WINAPI GetIfEntry(PMIB_IFROW pIfRow)
 922 {
 923   DWORD ret;
 924   char nameBuf[MAX_ADAPTER_NAME];
 925   char *name;
 926
 927   TRACE("pIfRow %p\n", pIfRow);
 928   if (!pIfRow)
 929     return ERROR_INVALID_PARAMETER;
 930
 931   name = getInterfaceNameByIndex(pIfRow->dwIndex, nameBuf);
 932   if (name) {
 933     ret = getInterfaceEntryByName(name, pIfRow);
 934     if (ret == NO_ERROR)
 935       ret = getInterfaceStatsByName(name, pIfRow);
 936   }
 937   else
 938     ret = ERROR_INVALID_DATA;
 939   TRACE("returning %ld\n", ret);
 940   return ret;
 941 }
 942
 943
 944 static int IfTableSorter(const void *a, const void *b)
 945 {
 946   int ret;
 947
 948   if (a && b)
 949     ret = ((const MIB_IFROW*)a)->dwIndex - ((const MIB_IFROW*)b)->dwIndex;
 950   else
 951     ret = 0;
 952   return ret;
 953 }
 954
 955
 956 /******************************************************************
 957  *    GetIfTable (IPHLPAPI.@)
 958  *
 959  * Get a table of local interfaces.
 960  *
 961  * PARAMS
 962  *  pIfTable [Out]    buffer for local interfaces table
 963  *  pdwSize  [In/Out] length of output buffer
 964  *  bOrder   [In]     whether to sort the table
 965  *
 966  * RETURNS
 967  *  Success: NO_ERROR
 968  *  Failure: error code from winerror.h
 969  *
 970  * NOTES
 971  *  If pdwSize is less than required, the function will return
 972  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
 973  *  size.
 974  *  If bOrder is true, the returned table will be sorted by interface index.
 975  */
 976 DWORD WINAPI GetIfTable(PMIB_IFTABLE pIfTable, PULONG pdwSize, BOOL bOrder)
 977 {
 978   DWORD ret;
 979
 980   TRACE("pIfTable %p, pdwSize %p, bOrder %ld\n", pdwSize, pdwSize,
 981    (DWORD)bOrder);
 982   if (!pdwSize)
 983     ret = ERROR_INVALID_PARAMETER;
 984   else {
 985     DWORD numInterfaces = getNumInterfaces();
 986     ULONG size = sizeof(MIB_IFTABLE) + (numInterfaces - 1) * sizeof(MIB_IFROW);
 987
 988     if (!pIfTable || *pdwSize < size) {
 989       *pdwSize = size;
 990       ret = ERROR_INSUFFICIENT_BUFFER;
 991     }
 992     else {
 993       InterfaceIndexTable *table = getInterfaceIndexTable();
 994
 995       if (table) {
 996         size = sizeof(MIB_IFTABLE) + (table->numIndexes - 1) *
 997          sizeof(MIB_IFROW);
 998         if (*pdwSize < size) {
 999           *pdwSize = size;
1000           ret = ERROR_INSUFFICIENT_BUFFER;
1001         }
1002         else {
1003           DWORD ndx;
1004
1005           *pdwSize = size;
1006           pIfTable->dwNumEntries = 0;
1007           for (ndx = 0; ndx < table->numIndexes; ndx++) {
1008             pIfTable->table[ndx].dwIndex = table->indexes[ndx];
1009             GetIfEntry(&pIfTable->table[ndx]);
1010             pIfTable->dwNumEntries++;
1011           }
1012           if (bOrder)
1013             qsort(pIfTable->table, pIfTable->dwNumEntries, sizeof(MIB_IFROW),
1014              IfTableSorter);
1015           ret = NO_ERROR;
1016         }
1017         HeapFree(GetProcessHeap(), 0, table);
1018       }
1019       else
1020         ret = ERROR_OUTOFMEMORY;
1021     }
1022   }
1023   TRACE("returning %ld\n", ret);
1024   return ret;
1025 }
1026
1027
1028 /******************************************************************
1029  *    GetInterfaceInfo (IPHLPAPI.@)
1030  *
1031  * Get a list of network interface adapters.
1032  *
1033  * PARAMS
1034  *  pIfTable    [Out] buffer for interface adapters
1035  *  dwOutBufLen [Out] if buffer is too small, returns required size
1036  *
1037  * RETURNS
1038  *  Success: NO_ERROR
1039  *  Failure: error code from winerror.h
1040  *
1041  * BUGS
1042  *  MSDN states this should return non-loopback interfaces only.
1043  */
1044 DWORD WINAPI GetInterfaceInfo(PIP_INTERFACE_INFO pIfTable, PULONG dwOutBufLen)
1045 {
1046   DWORD ret;
1047
1048   TRACE("pIfTable %p, dwOutBufLen %p\n", pIfTable, dwOutBufLen);
1049   if (!dwOutBufLen)
1050     ret = ERROR_INVALID_PARAMETER;
1051   else {
1052     DWORD numInterfaces = getNumInterfaces();
1053     ULONG size = sizeof(IP_INTERFACE_INFO) + (numInterfaces - 1) *
1054      sizeof(IP_ADAPTER_INDEX_MAP);
1055
1056     if (!pIfTable || *dwOutBufLen < size) {
1057       *dwOutBufLen = size;
1058       ret = ERROR_INSUFFICIENT_BUFFER;
1059     }
1060     else {
1061       InterfaceIndexTable *table = getInterfaceIndexTable();
1062
1063       if (table) {
1064         size = sizeof(IP_INTERFACE_INFO) + (table->numIndexes - 1) *
1065          sizeof(IP_ADAPTER_INDEX_MAP);
1066         if (*dwOutBufLen < size) {
1067           *dwOutBufLen = size;
1068           ret = ERROR_INSUFFICIENT_BUFFER;
1069         }
1070         else {
1071           DWORD ndx;
1072           char nameBuf[MAX_ADAPTER_NAME];
1073
1074           *dwOutBufLen = size;
1075           pIfTable->NumAdapters = 0;
1076           for (ndx = 0; ndx < table->numIndexes; ndx++) {
1077             const char *walker, *name;
1078             WCHAR *assigner;
1079
1080             pIfTable->Adapter[ndx].Index = table->indexes[ndx];
1081             name = getInterfaceNameByIndex(table->indexes[ndx], nameBuf);
1082             for (walker = name, assigner = pIfTable->Adapter[ndx].Name;
1083              walker && *walker &&
1084              assigner - pIfTable->Adapter[ndx].Name < MAX_ADAPTER_NAME - 1;
1085              walker++, assigner++)
1086               *assigner = *walker;
1087             *assigner = 0;
1088             pIfTable->NumAdapters++;
1089           }
1090           ret = NO_ERROR;
1091         }
1092         HeapFree(GetProcessHeap(), 0, table);
1093       }
1094       else
1095         ret = ERROR_OUTOFMEMORY;
1096     }
1097   }
1098   TRACE("returning %ld\n", ret);
1099   return ret;
1100 }
1101
1102
1103 /******************************************************************
1104  *    GetIpAddrTable (IPHLPAPI.@)
1105  *
1106  * Get interface-to-IP address mapping table.
1107  *
1108  * PARAMS
1109  *  pIpAddrTable [Out]    buffer for mapping table
1110  *  pdwSize      [In/Out] length of output buffer
1111  *  bOrder       [In]     whether to sort the table
1112  *
1113  * RETURNS
1114  *  Success: NO_ERROR
1115  *  Failure: error code from winerror.h
1116  *
1117  * NOTES
1118  *  If pdwSize is less than required, the function will return
1119  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1120  *  size.
1121  *  If bOrder is true, the returned table will be sorted by the next hop and
1122  *  an assortment of arbitrary parameters.
1123  */
1124 DWORD WINAPI GetIpAddrTable(PMIB_IPADDRTABLE pIpAddrTable, PULONG pdwSize, BOOL bOrder)
1125 {
1126   DWORD ret;
1127
1128   TRACE("pIpAddrTable %p, pdwSize %p, bOrder %ld\n", pIpAddrTable, pdwSize,
1129    (DWORD)bOrder);
1130   if (!pdwSize)
1131     ret = ERROR_INVALID_PARAMETER;
1132   else {
1133     PMIB_IPADDRTABLE table;
1134
1135     ret = getIPAddrTable(&table, GetProcessHeap(), 0);
1136     if (ret == NO_ERROR)
1137     {
1138       ULONG size = sizeof(MIB_IPADDRTABLE) + (table->dwNumEntries - 1) *
1139        sizeof(MIB_IPADDRROW);
1140
1141       if (!pIpAddrTable || *pdwSize < size) {
1142         *pdwSize = size;
1143         ret = ERROR_INSUFFICIENT_BUFFER;
1144       }
1145       else {
1146         *pdwSize = size;
1147         memcpy(pIpAddrTable, table, sizeof(MIB_IPADDRTABLE) +
1148          (table->dwNumEntries - 1) * sizeof(MIB_IPADDRROW));
1149         if (bOrder)
1150           qsort(pIpAddrTable->table, pIpAddrTable->dwNumEntries,
1151            sizeof(MIB_IPADDRROW), IpAddrTableSorter);
1152         ret = NO_ERROR;
1153       }
1154       HeapFree(GetProcessHeap(), 0, table);
1155     }
1156   }
1157   TRACE("returning %ld\n", ret);
1158   return ret;
1159 }
1160
1161
1162 /******************************************************************
1163  *    GetIpForwardTable (IPHLPAPI.@)
1164  *
1165  * Get the route table.
1166  *
1167  * PARAMS
1168  *  pIpForwardTable [Out]    buffer for route table
1169  *  pdwSize         [In/Out] length of output buffer
1170  *  bOrder          [In]     whether to sort the table
1171  *
1172  * RETURNS
1173  *  Success: NO_ERROR
1174  *  Failure: error code from winerror.h
1175  *
1176  * NOTES
1177  *  If pdwSize is less than required, the function will return
1178  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1179  *  size.
1180  *  If bOrder is true, the returned table will be sorted by the next hop and
1181  *  an assortment of arbitrary parameters.
1182  */
1183 DWORD WINAPI GetIpForwardTable(PMIB_IPFORWARDTABLE pIpForwardTable, PULONG pdwSize, BOOL bOrder)
1184 {
1185   DWORD ret;
1186
1187   TRACE("pIpForwardTable %p, pdwSize %p, bOrder %ld\n", pIpForwardTable,
1188    pdwSize, (DWORD)bOrder);
1189   if (!pdwSize)
1190     ret = ERROR_INVALID_PARAMETER;
1191   else {
1192     DWORD numRoutes = getNumRoutes();
1193     ULONG sizeNeeded = sizeof(MIB_IPFORWARDTABLE) + (numRoutes - 1) *
1194      sizeof(MIB_IPFORWARDROW);
1195
1196     if (!pIpForwardTable || *pdwSize < sizeNeeded) {
1197       *pdwSize = sizeNeeded;
1198       ret = ERROR_INSUFFICIENT_BUFFER;
1199     }
1200     else {
1201       PMIB_IPFORWARDTABLE table;
1202
1203       ret = getRouteTable(&table, GetProcessHeap(), 0);
1204       if (!ret) {
1205         sizeNeeded = sizeof(MIB_IPFORWARDTABLE) + (table->dwNumEntries - 1) *
1206          sizeof(MIB_IPFORWARDROW);
1207         if (*pdwSize < sizeNeeded) {
1208           *pdwSize = sizeNeeded;
1209           ret = ERROR_INSUFFICIENT_BUFFER;
1210         }
1211         else {
1212           *pdwSize = sizeNeeded;
1213           memcpy(pIpForwardTable, table, sizeNeeded);
1214           if (bOrder)
1215             qsort(pIpForwardTable->table, pIpForwardTable->dwNumEntries,
1216              sizeof(MIB_IPFORWARDROW), IpForwardTableSorter);
1217           ret = NO_ERROR;
1218         }
1219         HeapFree(GetProcessHeap(), 0, table);
1220       }
1221     }
1222   }
1223   TRACE("returning %ld\n", ret);
1224   return ret;
1225 }
1226
1227
1228 /******************************************************************
1229  *    GetIpNetTable (IPHLPAPI.@)
1230  *
1231  * Get the IP-to-physical address mapping table.
1232  *
1233  * PARAMS
1234  *  pIpNetTable [Out]    buffer for mapping table
1235  *  pdwSize     [In/Out] length of output buffer
1236  *  bOrder      [In]     whether to sort the table
1237  *
1238  * RETURNS
1239  *  Success: NO_ERROR
1240  *  Failure: error code from winerror.h
1241  *
1242  * NOTES
1243  *  If pdwSize is less than required, the function will return
1244  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the required byte
1245  *  size.
1246  *  If bOrder is true, the returned table will be sorted by IP address.
1247  */
1248 DWORD WINAPI GetIpNetTable(PMIB_IPNETTABLE pIpNetTable, PULONG pdwSize, BOOL bOrder)
1249 {
1250   DWORD ret;
1251
1252   TRACE("pIpNetTable %p, pdwSize %p, bOrder %ld\n", pIpNetTable, pdwSize,
1253    (DWORD)bOrder);
1254   if (!pdwSize)
1255     ret = ERROR_INVALID_PARAMETER;
1256   else {
1257     DWORD numEntries = getNumArpEntries();
1258     ULONG size = sizeof(MIB_IPNETTABLE) + (numEntries - 1) *
1259      sizeof(MIB_IPNETROW);
1260
1261     if (!pIpNetTable || *pdwSize < size) {
1262       *pdwSize = size;
1263       ret = ERROR_INSUFFICIENT_BUFFER;
1264     }
1265     else {
1266       PMIB_IPNETTABLE table;
1267
1268       ret = getArpTable(&table, GetProcessHeap(), 0);
1269       if (!ret) {
1270         size = sizeof(MIB_IPNETTABLE) + (table->dwNumEntries - 1) *
1271          sizeof(MIB_IPNETROW);
1272         if (*pdwSize < size) {
1273           *pdwSize = size;
1274           ret = ERROR_INSUFFICIENT_BUFFER;
1275         }
1276         else {
1277           *pdwSize = size;
1278           memcpy(pIpNetTable, table, size);
1279           if (bOrder)
1280             qsort(pIpNetTable->table, pIpNetTable->dwNumEntries,
1281              sizeof(MIB_IPNETROW), IpNetTableSorter);
1282           ret = NO_ERROR;
1283         }
1284         HeapFree(GetProcessHeap(), 0, table);
1285       }
1286     }
1287   }
1288   TRACE("returning %ld\n", ret);
1289   return ret;
1290 }
1291
1292
1293 /******************************************************************
1294  *    GetIpStatistics (IPHLPAPI.@)
1295  *
1296  * Get the IP statistics for the local computer.
1297  *
1298  * PARAMS
1299  *  pStats [Out] buffer for IP statistics
1300  *
1301  * RETURNS
1302  *  Success: NO_ERROR
1303  *  Failure: error code from winerror.h
1304  */
1305 DWORD WINAPI GetIpStatistics(PMIB_IPSTATS pStats)
1306 {
1307   DWORD ret;
1308
1309   TRACE("pStats %p\n", pStats);
1310   ret = getIPStats(pStats);
1311   TRACE("returning %ld\n", ret);
1312   return ret;
1313 }
1314
1315
1316 /******************************************************************
1317  *    GetNetworkParams (IPHLPAPI.@)
1318  *
1319  * Get the network parameters for the local computer.
1320  *
1321  * PARAMS
1322  *  pFixedInfo [Out]    buffer for network parameters
1323  *  pOutBufLen [In/Out] length of output buffer
1324  *
1325  * RETURNS
1326  *  Success: NO_ERROR
1327  *  Failure: error code from winerror.h
1328  *
1329  * NOTES
1330  *  If pOutBufLen is less than required, the function will return
1331  *  ERROR_INSUFFICIENT_BUFFER, and pOutBufLen will be set to the required byte
1332  *  size.
1333  */
1334 DWORD WINAPI GetNetworkParams(PFIXED_INFO pFixedInfo, PULONG pOutBufLen)
1335 {
1336   DWORD ret, size;
1337   LONG regReturn;
1338   HKEY hKey;
1339
1340   TRACE("pFixedInfo %p, pOutBufLen %p\n", pFixedInfo, pOutBufLen);
1341   if (!pOutBufLen)
1342     return ERROR_INVALID_PARAMETER;
1343
1344   res_init();
1345   size = sizeof(FIXED_INFO) + (_res.nscount > 0 ? (_res.nscount  - 1) *
1346    sizeof(IP_ADDR_STRING) : 0);
1347   if (!pFixedInfo || *pOutBufLen < size) {
1348     *pOutBufLen = size;
1349     return ERROR_BUFFER_OVERFLOW;
1350   }
1351
1352   memset(pFixedInfo, 0, size);
1353   size = sizeof(pFixedInfo->HostName);
1354   GetComputerNameExA(ComputerNameDnsHostname, pFixedInfo->HostName, &size);
1355   size = sizeof(pFixedInfo->DomainName);
1356   GetComputerNameExA(ComputerNameDnsDomain, pFixedInfo->DomainName, &size);
1357   if (_res.nscount > 0) {
1358     PIP_ADDR_STRING ptr;
1359     int i;
1360
1361     for (i = 0, ptr = &pFixedInfo->DnsServerList; i < _res.nscount && ptr;
1362      i++, ptr = ptr->Next) {
1363       toIPAddressString(_res.nsaddr_list[i].sin_addr.s_addr,
1364        ptr->IpAddress.String);
1365       if (i == _res.nscount - 1)
1366         ptr->Next = NULL;
1367       else if (i == 0)
1368         ptr->Next = (PIP_ADDR_STRING)((LPBYTE)pFixedInfo + sizeof(FIXED_INFO));
1369       else
1370         ptr->Next = (PIP_ADDR_STRING)((PBYTE)ptr + sizeof(IP_ADDR_STRING));
1371     }
1372   }
1373   pFixedInfo->NodeType = HYBRID_NODETYPE;
1374   regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
1375    "SYSTEM\\CurrentControlSet\\Services\\VxD\\MSTCP", 0, KEY_READ, &hKey);
1376   if (regReturn != ERROR_SUCCESS)
1377     regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
1378      "SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters", 0, KEY_READ,
1379      &hKey);
1380   if (regReturn == ERROR_SUCCESS)
1381   {
1382     DWORD size = sizeof(pFixedInfo->ScopeId);
1383
1384     RegQueryValueExA(hKey, "ScopeID", NULL, NULL, (LPBYTE)pFixedInfo->ScopeId, &size);
1385     RegCloseKey(hKey);
1386   }
1387
1388   /* FIXME: can check whether routing's enabled in /proc/sys/net/ipv4/ip_forward
1389      I suppose could also check for a listener on port 53 to set EnableDns */
1390   ret = NO_ERROR;
1391   TRACE("returning %ld\n", ret);
1392   return ret;
1393 }
1394
1395
1396 /******************************************************************
1397  *    GetNumberOfInterfaces (IPHLPAPI.@)
1398  *
1399  * Get the number of interfaces.
1400  *
1401  * PARAMS
1402  *  pdwNumIf [Out] number of interfaces
1403  *
1404  * RETURNS
1405  *  NO_ERROR on success, ERROR_INVALID_PARAMETER if pdwNumIf is NULL.
1406  */
1407 DWORD WINAPI GetNumberOfInterfaces(PDWORD pdwNumIf)
1408 {
1409   DWORD ret;
1410
1411   TRACE("pdwNumIf %p\n", pdwNumIf);
1412   if (!pdwNumIf)
1413     ret = ERROR_INVALID_PARAMETER;
1414   else {
1415     *pdwNumIf = getNumInterfaces();
1416     ret = NO_ERROR;
1417   }
1418   TRACE("returning %ld\n", ret);
1419   return ret;
1420 }
1421
1422
1423 /******************************************************************
1424  *    GetPerAdapterInfo (IPHLPAPI.@)
1425  *
1426  * Get information about an adapter corresponding to an interface.
1427  *
1428  * PARAMS
1429  *  IfIndex         [In]     interface info
1430  *  pPerAdapterInfo [Out]    buffer for per adapter info
1431  *  pOutBufLen      [In/Out] length of output buffer
1432  *
1433  * RETURNS
1434  *  Success: NO_ERROR
1435  *  Failure: error code from winerror.h
1436  *
1437  * FIXME
1438  *  Stub, returns ERROR_NOT_SUPPORTED.
1439  */
1440 DWORD WINAPI GetPerAdapterInfo(ULONG IfIndex, PIP_PER_ADAPTER_INFO pPerAdapterInfo, PULONG pOutBufLen)
1441 {
1442   TRACE("(IfIndex %ld, pPerAdapterInfo %p, pOutBufLen %p)\n", IfIndex,
1443    pPerAdapterInfo, pOutBufLen);
1444   return ERROR_NOT_SUPPORTED;
1445 }
1446
1447
1448 /******************************************************************
1449  *    GetRTTAndHopCount (IPHLPAPI.@)
1450  *
1451  * Get round-trip time (RTT) and hop count.
1452  *
1453  * PARAMS
1454  *
1455  *  DestIpAddress [In]  destination address to get the info for
1456  *  HopCount      [Out] retrieved hop count
1457  *  MaxHops       [In]  maximum hops to search for the destination
1458  *  RTT           [Out] RTT in milliseconds
1459  *
1460  * RETURNS
1461  *  Success: TRUE
1462  *  Failure: FALSE
1463  *
1464  * FIXME
1465  *  Stub, returns FALSE.
1466  */
1467 BOOL WINAPI GetRTTAndHopCount(IPAddr DestIpAddress, PULONG HopCount, ULONG MaxHops, PULONG RTT)
1468 {
1469   FIXME("(DestIpAddress 0x%08lx, HopCount %p, MaxHops %ld, RTT %p): stub\n",
1470    DestIpAddress, HopCount, MaxHops, RTT);
1471   return FALSE;
1472 }
1473
1474
1475 /******************************************************************
1476  *    GetTcpStatistics (IPHLPAPI.@)
1477  *
1478  * Get the TCP statistics for the local computer.
1479  *
1480  * PARAMS
1481  *  pStats [Out] buffer for TCP statistics
1482  *
1483  * RETURNS
1484  *  Success: NO_ERROR
1485  *  Failure: error code from winerror.h
1486  */
1487 DWORD WINAPI GetTcpStatistics(PMIB_TCPSTATS pStats)
1488 {
1489   DWORD ret;
1490
1491   TRACE("pStats %p\n", pStats);
1492   ret = getTCPStats(pStats);
1493   TRACE("returning %ld\n", ret);
1494   return ret;
1495 }
1496
1497
1498 /******************************************************************
1499  *    GetTcpTable (IPHLPAPI.@)
1500  *
1501  * Get the table of active TCP connections.
1502  *
1503  * PARAMS
1504  *  pTcpTable [Out]    buffer for TCP connections table
1505  *  pdwSize   [In/Out] length of output buffer
1506  *  bOrder    [In]     whether to order the table
1507  *
1508  * RETURNS
1509  *  Success: NO_ERROR
1510  *  Failure: error code from winerror.h
1511  *
1512  * NOTES
1513  *  If pdwSize is less than required, the function will return
1514  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to
1515  *  the required byte size.
1516  *  If bOrder is true, the returned table will be sorted, first by
1517  *  local address and port number, then by remote address and port
1518  *  number.
1519  */
1520 DWORD WINAPI GetTcpTable(PMIB_TCPTABLE pTcpTable, PDWORD pdwSize, BOOL bOrder)
1521 {
1522   DWORD ret;
1523
1524   TRACE("pTcpTable %p, pdwSize %p, bOrder %ld\n", pTcpTable, pdwSize,
1525    (DWORD)bOrder);
1526   if (!pdwSize)
1527     ret = ERROR_INVALID_PARAMETER;
1528   else {
1529     DWORD numEntries = getNumTcpEntries();
1530     DWORD size = sizeof(MIB_TCPTABLE) + (numEntries - 1) * sizeof(MIB_TCPROW);
1531
1532     if (!pTcpTable || *pdwSize < size) {
1533       *pdwSize = size;
1534       ret = ERROR_INSUFFICIENT_BUFFER;
1535     }
1536     else {
1537       PMIB_TCPTABLE table;
1538
1539       ret = getTcpTable(&table, GetProcessHeap(), 0);
1540       if (!ret) {
1541         size = sizeof(MIB_TCPTABLE) + (table->dwNumEntries - 1) *
1542          sizeof(MIB_TCPROW);
1543         if (*pdwSize < size) {
1544           *pdwSize = size;
1545           ret = ERROR_INSUFFICIENT_BUFFER;
1546         }
1547         else {
1548           *pdwSize = size;
1549           memcpy(pTcpTable, table, size);
1550           if (bOrder)
1551             qsort(pTcpTable->table, pTcpTable->dwNumEntries,
1552              sizeof(MIB_TCPROW), TcpTableSorter);
1553           ret = NO_ERROR;
1554         }
1555         HeapFree(GetProcessHeap(), 0, table);
1556       }
1557       else
1558         ret = ERROR_OUTOFMEMORY;
1559     }
1560   }
1561   TRACE("returning %ld\n", ret);
1562   return ret;
1563 }
1564
1565
1566 /******************************************************************
1567  *    GetUdpStatistics (IPHLPAPI.@)
1568  *
1569  * Get the UDP statistics for the local computer.
1570  *
1571  * PARAMS
1572  *  pStats [Out] buffer for UDP statistics
1573  *
1574  * RETURNS
1575  *  Success: NO_ERROR
1576  *  Failure: error code from winerror.h
1577  */
1578 DWORD WINAPI GetUdpStatistics(PMIB_UDPSTATS pStats)
1579 {
1580   DWORD ret;
1581
1582   TRACE("pStats %p\n", pStats);
1583   ret = getUDPStats(pStats);
1584   TRACE("returning %ld\n", ret);
1585   return ret;
1586 }
1587
1588
1589 /******************************************************************
1590  *    GetUdpTable (IPHLPAPI.@)
1591  *
1592  * Get a table of active UDP connections.
1593  *
1594  * PARAMS
1595  *  pUdpTable [Out]    buffer for UDP connections table
1596  *  pdwSize   [In/Out] length of output buffer
1597  *  bOrder    [In]     whether to order the table
1598  *
1599  * RETURNS
1600  *  Success: NO_ERROR
1601  *  Failure: error code from winerror.h
1602  *
1603  * NOTES
1604  *  If pdwSize is less than required, the function will return
1605  *  ERROR_INSUFFICIENT_BUFFER, and *pdwSize will be set to the
1606  *  required byte size.
1607  *  If bOrder is true, the returned table will be sorted, first by
1608  *  local address, then by local port number.
1609  */
1610 DWORD WINAPI GetUdpTable(PMIB_UDPTABLE pUdpTable, PDWORD pdwSize, BOOL bOrder)
1611 {
1612   DWORD ret;
1613
1614   TRACE("pUdpTable %p, pdwSize %p, bOrder %ld\n", pUdpTable, pdwSize,
1615    (DWORD)bOrder);
1616   if (!pdwSize)
1617     ret = ERROR_INVALID_PARAMETER;
1618   else {
1619     DWORD numEntries = getNumUdpEntries();
1620     DWORD size = sizeof(MIB_UDPTABLE) + (numEntries - 1) * sizeof(MIB_UDPROW);
1621
1622     if (!pUdpTable || *pdwSize < size) {
1623       *pdwSize = size;
1624       ret = ERROR_INSUFFICIENT_BUFFER;
1625     }
1626     else {
1627       PMIB_UDPTABLE table;
1628
1629       ret = getUdpTable(&table, GetProcessHeap(), 0);
1630       if (!ret) {
1631         size = sizeof(MIB_UDPTABLE) + (table->dwNumEntries - 1) *
1632          sizeof(MIB_UDPROW);
1633         if (*pdwSize < size) {
1634           *pdwSize = size;
1635           ret = ERROR_INSUFFICIENT_BUFFER;
1636         }
1637         else {
1638           *pdwSize = size;
1639           memcpy(pUdpTable, table, size);
1640           if (bOrder)
1641             qsort(pUdpTable->table, pUdpTable->dwNumEntries,
1642              sizeof(MIB_UDPROW), UdpTableSorter);
1643           ret = NO_ERROR;
1644         }
1645         HeapFree(GetProcessHeap(), 0, table);
1646       }
1647       else
1648         ret = ERROR_OUTOFMEMORY;
1649     }
1650   }
1651   TRACE("returning %ld\n", ret);
1652   return ret;
1653 }
1654
1655
1656 /******************************************************************
1657  *    GetUniDirectionalAdapterInfo (IPHLPAPI.@)
1658  *
1659  * This is a Win98-only function to get information on "unidirectional"
1660  * adapters.  Since this is pretty nonsensical in other contexts, it
1661  * never returns anything.
1662  *
1663  * PARAMS
1664  *  pIPIfInfo   [Out] buffer for adapter infos
1665  *  dwOutBufLen [Out] length of the output buffer
1666  *
1667  * RETURNS
1668  *  Success: NO_ERROR
1669  *  Failure: error code from winerror.h
1670  *
1671  * FIXME
1672  *  Stub, returns ERROR_NOT_SUPPORTED.
1673  */
1674 DWORD WINAPI GetUniDirectionalAdapterInfo(PIP_UNIDIRECTIONAL_ADAPTER_ADDRESS pIPIfInfo, PULONG dwOutBufLen)
1675 {
1676   TRACE("pIPIfInfo %p, dwOutBufLen %p\n", pIPIfInfo, dwOutBufLen);
1677   /* a unidirectional adapter?? not bloody likely! */
1678   return ERROR_NOT_SUPPORTED;
1679 }
1680
1681
1682 /******************************************************************
1683  *    IpReleaseAddress (IPHLPAPI.@)
1684  *
1685  * Release an IP optained through DHCP,
1686  *
1687  * PARAMS
1688  *  AdapterInfo [In] adapter to release IP address
1689  *
1690  * RETURNS
1691  *  Success: NO_ERROR
1692  *  Failure: error code from winerror.h
1693  *
1694  * NOTES
1695  *  Since GetAdaptersInfo never returns adapters that have DHCP enabled,
1696  *  this function does nothing.
1697  *
1698  * FIXME
1699  *  Stub, returns ERROR_NOT_SUPPORTED.
1700  */
1701 DWORD WINAPI IpReleaseAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
1702 {
1703   TRACE("AdapterInfo %p\n", AdapterInfo);
1704   /* not a stub, never going to support this (and I never mark an adapter as
1705      DHCP enabled, see GetAdaptersInfo, so this should never get called) */
1706   return ERROR_NOT_SUPPORTED;
1707 }
1708
1709
1710 /******************************************************************
1711  *    IpRenewAddress (IPHLPAPI.@)
1712  *
1713  * Renew an IP optained through DHCP.
1714  *
1715  * PARAMS
1716  *  AdapterInfo [In] adapter to renew IP address
1717  *
1718  * RETURNS
1719  *  Success: NO_ERROR
1720  *  Failure: error code from winerror.h
1721  *
1722  * NOTES
1723  *  Since GetAdaptersInfo never returns adapters that have DHCP enabled,
1724  *  this function does nothing.
1725  *
1726  * FIXME
1727  *  Stub, returns ERROR_NOT_SUPPORTED.
1728  */
1729 DWORD WINAPI IpRenewAddress(PIP_ADAPTER_INDEX_MAP AdapterInfo)
1730 {
1731   TRACE("AdapterInfo %p\n", AdapterInfo);
1732   /* not a stub, never going to support this (and I never mark an adapter as
1733      DHCP enabled, see GetAdaptersInfo, so this should never get called) */
1734   return ERROR_NOT_SUPPORTED;
1735 }
1736
1737
1738 /******************************************************************
1739  *    NotifyAddrChange (IPHLPAPI.@)
1740  *
1741  * Notify caller whenever the ip-interface map is changed.
1742  *
1743  * PARAMS
1744  *  Handle     [Out] handle useable in asynchronus notification
1745  *  overlapped [In]  overlapped structure that notifies the caller
1746  *
1747  * RETURNS
1748  *  Success: NO_ERROR
1749  *  Failure: error code from winerror.h
1750  *
1751  * FIXME
1752  *  Stub, returns ERROR_NOT_SUPPORTED.
1753  */
1754 DWORD WINAPI NotifyAddrChange(PHANDLE Handle, LPOVERLAPPED overlapped)
1755 {
1756   FIXME("(Handle %p, overlapped %p): stub\n", Handle, overlapped);
1757   return ERROR_NOT_SUPPORTED;
1758 }
1759
1760
1761 /******************************************************************
1762  *    NotifyRouteChange (IPHLPAPI.@)
1763  *
1764  * Notify caller whenever the ip routing table is changed.
1765  *
1766  * PARAMS
1767  *  Handle     [Out] handle useable in asynchronus notification
1768  *  overlapped [In]  overlapped structure that notifies the caller
1769  *
1770  * RETURNS
1771  *  Success: NO_ERROR
1772  *  Failure: error code from winerror.h
1773  *
1774  * FIXME
1775  *  Stub, returns ERROR_NOT_SUPPORTED.
1776  */
1777 DWORD WINAPI NotifyRouteChange(PHANDLE Handle, LPOVERLAPPED overlapped)
1778 {
1779   FIXME("(Handle %p, overlapped %p): stub\n", Handle, overlapped);
1780   return ERROR_NOT_SUPPORTED;
1781 }
1782
1783
1784 /******************************************************************
1785  *    SendARP (IPHLPAPI.@)
1786  *
1787  * Send an ARP request.
1788  *
1789  * PARAMS
1790  *  DestIP     [In]     attempt to obtain this IP
1791  *  SrcIP      [In]     optional sender IP address
1792  *  pMacAddr   [Out]    buffer for the mac address
1793  *  PhyAddrLen [In/Out] length of the output buffer
1794  *
1795  * RETURNS
1796  *  Success: NO_ERROR
1797  *  Failure: error code from winerror.h
1798  *
1799  * FIXME
1800  *  Stub, returns ERROR_NOT_SUPPORTED.
1801  */
1802 DWORD WINAPI SendARP(IPAddr DestIP, IPAddr SrcIP, PULONG pMacAddr, PULONG PhyAddrLen)
1803 {
1804   FIXME("(DestIP 0x%08lx, SrcIP 0x%08lx, pMacAddr %p, PhyAddrLen %p): stub\n",
1805    DestIP, SrcIP, pMacAddr, PhyAddrLen);
1806   return ERROR_NOT_SUPPORTED;
1807 }
1808
1809
1810 /******************************************************************
1811  *    SetIfEntry (IPHLPAPI.@)
1812  *
1813  * Set the administrative status of an interface.
1814  *
1815  * PARAMS
1816  *  pIfRow [In] dwAdminStatus member specifies the new status.
1817  *
1818  * RETURNS
1819  *  Success: NO_ERROR
1820  *  Failure: error code from winerror.h
1821  *
1822  * FIXME
1823  *  Stub, returns ERROR_NOT_SUPPORTED.
1824  */
1825 DWORD WINAPI SetIfEntry(PMIB_IFROW pIfRow)
1826 {
1827   FIXME("(pIfRow %p): stub\n", pIfRow);
1828   /* this is supposed to set an interface administratively up or down.
1829      Could do SIOCSIFFLAGS and set/clear IFF_UP, but, not sure I want to, and
1830      this sort of down is indistinguishable from other sorts of down (e.g. no
1831      link). */
1832   return ERROR_NOT_SUPPORTED;
1833 }
1834
1835
1836 /******************************************************************
1837  *    SetIpForwardEntry (IPHLPAPI.@)
1838  *
1839  * Modify an existing route.
1840  *
1841  * PARAMS
1842  *  pRoute [In] route with the new information
1843  *
1844  * RETURNS
1845  *  Success: NO_ERROR
1846  *  Failure: error code from winerror.h
1847  *
1848  * FIXME
1849  *  Stub, returns NO_ERROR.
1850  */
1851 DWORD WINAPI SetIpForwardEntry(PMIB_IPFORWARDROW pRoute)
1852 {
1853   FIXME("(pRoute %p): stub\n", pRoute);
1854   /* this is to add a route entry, how's it distinguishable from
1855      CreateIpForwardEntry?
1856      could use SIOCADDRT, not sure I want to */
1857   return (DWORD) 0;
1858 }
1859
1860
1861 /******************************************************************
1862  *    SetIpNetEntry (IPHLPAPI.@)
1863  *
1864  * Modify an existing ARP entry.
1865  *
1866  * PARAMS
1867  *  pArpEntry [In] ARP entry with the new information
1868  *
1869  * RETURNS
1870  *  Success: NO_ERROR
1871  *  Failure: error code from winerror.h
1872  *
1873  * FIXME
1874  *  Stub, returns NO_ERROR.
1875  */
1876 DWORD WINAPI SetIpNetEntry(PMIB_IPNETROW pArpEntry)
1877 {
1878   FIXME("(pArpEntry %p): stub\n", pArpEntry);
1879   /* same as CreateIpNetEntry here, could use SIOCSARP, not sure I want to */
1880   return (DWORD) 0;
1881 }
1882
1883
1884 /******************************************************************
1885  *    SetIpStatistics (IPHLPAPI.@)
1886  *
1887  * Toggle IP forwarding and det the default TTL value.
1888  *
1889  * PARAMS
1890  *  pIpStats [In] IP statistics with the new information
1891  *
1892  * RETURNS
1893  *  Success: NO_ERROR
1894  *  Failure: error code from winerror.h
1895  *
1896  * FIXME
1897  *  Stub, returns NO_ERROR.
1898  */
1899 DWORD WINAPI SetIpStatistics(PMIB_IPSTATS pIpStats)
1900 {
1901   FIXME("(pIpStats %p): stub\n", pIpStats);
1902   return (DWORD) 0;
1903 }
1904
1905
1906 /******************************************************************
1907  *    SetIpTTL (IPHLPAPI.@)
1908  *
1909  * Set the default TTL value.
1910  *
1911  * PARAMS
1912  *  nTTL [In] new TTL value
1913  *
1914  * RETURNS
1915  *  Success: NO_ERROR
1916  *  Failure: error code from winerror.h
1917  *
1918  * FIXME
1919  *  Stub, returns NO_ERROR.
1920  */
1921 DWORD WINAPI SetIpTTL(UINT nTTL)
1922 {
1923   FIXME("(nTTL %d): stub\n", nTTL);
1924   /* could echo nTTL > /proc/net/sys/net/ipv4/ip_default_ttl, not sure I
1925      want to.  Could map EACCESS to ERROR_ACCESS_DENIED, I suppose */
1926   return (DWORD) 0;
1927 }
1928
1929
1930 /******************************************************************
1931  *    SetTcpEntry (IPHLPAPI.@)
1932  *
1933  * Set the state of a TCP connection.
1934  *
1935  * PARAMS
1936  *  pTcpRow [In] specifies connection with new state
1937  *
1938  * RETURNS
1939  *  Success: NO_ERROR
1940  *  Failure: error code from winerror.h
1941  *
1942  * FIXME
1943  *  Stub, returns NO_ERROR.
1944  */
1945 DWORD WINAPI SetTcpEntry(PMIB_TCPROW pTcpRow)
1946 {
1947   FIXME("(pTcpRow %p): stub\n", pTcpRow);
1948   return (DWORD) 0;
1949 }
1950
1951
1952 /******************************************************************
1953  *    UnenableRouter (IPHLPAPI.@)
1954  *
1955  * Decrement the IP-forwarding reference count. Turn off IP-forwarding
1956  * if it reaches zero.
1957  *
1958  * PARAMS
1959  *  pOverlapped     [In/Out] should be the same as in EnableRouter()
1960  *  lpdwEnableCount [Out]    optional, receives reference count
1961  *
1962  * RETURNS
1963  *  Success: NO_ERROR
1964  *  Failure: error code from winerror.h
1965  *
1966  * FIXME
1967  *  Stub, returns ERROR_NOT_SUPPORTED.
1968  */
1969 DWORD WINAPI UnenableRouter(OVERLAPPED * pOverlapped, LPDWORD lpdwEnableCount)
1970 {
1971   FIXME("(pOverlapped %p, lpdwEnableCount %p): stub\n", pOverlapped,
1972    lpdwEnableCount);
1973   /* could echo "0" > /proc/net/sys/net/ipv4/ip_forward, not sure I want to
1974      could map EACCESS to ERROR_ACCESS_DENIED, I suppose
1975    */
1976   return ERROR_NOT_SUPPORTED;
1977 }