dll/win32/iphlpapi/ipstats_reactos.c

   1 /* Copyright (C) 2003 Art Yerkes
   2  * A reimplementation of ifenum.c by Juan Lang
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * This file is implemented on the IOCTL_TCP_QUERY_INFORMATION_EX ioctl on
  19  * tcpip.sys
  20  */
  21
  22 #include "iphlpapi_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
  25
  26 #ifndef TCPS_ESTABLISHED
  27 # define TCPS_ESTABLISHED TCP_ESTABLISHED
  28 #endif
  29 #ifndef TCPS_SYN_SENT
  30 # define TCPS_SYN_SENT TCP_SYN_SENT
  31 #endif
  32 #ifndef TCPS_SYN_RECEIVED
  33 # define TCPS_SYN_RECEIVED TCP_SYN_RECV
  34 #endif
  35 #ifndef TCPS_FIN_WAIT_1
  36 # define TCPS_FIN_WAIT_1 TCP_FIN_WAIT1
  37 #endif
  38 #ifndef TCPS_FIN_WAIT_2
  39 # define TCPS_FIN_WAIT_2 TCP_FIN_WAIT2
  40 #endif
  41 #ifndef TCPS_TIME_WAIT
  42 # define TCPS_TIME_WAIT TCP_TIME_WAIT
  43 #endif
  44 #ifndef TCPS_CLOSED
  45 # define TCPS_CLOSED TCP_CLOSE
  46 #endif
  47 #ifndef TCPS_CLOSE_WAIT
  48 # define TCPS_CLOSE_WAIT TCP_CLOSE_WAIT
  49 #endif
  50 #ifndef TCPS_LAST_ACK
  51 # define TCPS_LAST_ACK TCP_LAST_ACK
  52 #endif
  53 #ifndef TCPS_LISTEN
  54 # define TCPS_LISTEN TCP_LISTEN
  55 #endif
  56 #ifndef TCPS_CLOSING
  57 # define TCPS_CLOSING TCP_CLOSING
  58 #endif
  59
  60 BOOL isIpEntity( HANDLE tcpFile, TDIEntityID *ent ) {
  61     return (ent->tei_entity == CL_NL_ENTITY ||
  62             ent->tei_entity == CO_NL_ENTITY);
  63 }
  64
  65 NTSTATUS getNthIpEntity( HANDLE tcpFile, DWORD index, TDIEntityID *ent ) {
  66     DWORD numEntities = 0;
  67     DWORD numRoutes = 0;
  68     TDIEntityID *entitySet = 0;
  69     NTSTATUS status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
  70     int i;
  71
  72     if( !NT_SUCCESS(status) )
  73         return status;
  74
  75     for( i = 0; i < numEntities; i++ ) {
  76         if( isIpEntity( tcpFile, &entitySet[i] ) ) {
  77             TRACE("Entity %d is an IP Entity\n", i);
  78             if( numRoutes == index ) break;
  79             else numRoutes++;
  80         }
  81     }
  82
  83     if( numRoutes == index && i < numEntities ) {
  84         TRACE("Index %d is entity #%d - %04x:%08x\n", index, i,
  85                entitySet[i].tei_entity, entitySet[i].tei_instance );
  86         memcpy( ent, &entitySet[i], sizeof(*ent) );
  87         tdiFreeThingSet( entitySet );
  88         return STATUS_SUCCESS;
  89     } else {
  90         tdiFreeThingSet( entitySet );
  91         return STATUS_UNSUCCESSFUL;
  92     }
  93 }
  94
  95 NTSTATUS tdiGetMibForIpEntity
  96 ( HANDLE tcpFile, TDIEntityID *ent, IPSNMPInfo *entry ) {
  97     TCP_REQUEST_QUERY_INFORMATION_EX req = TCP_REQUEST_QUERY_INFORMATION_INIT;
  98     NTSTATUS status = STATUS_SUCCESS;
  99     DWORD returnSize;
 100
 101     memset( entry, 0, sizeof( *entry ) );
 102
 103     TRACE("TdiGetMibForIpEntity(tcpFile %x,entityId %x)\n",
 104            (DWORD)tcpFile, ent->tei_instance);
 105
 106     req.ID.toi_class                = INFO_CLASS_PROTOCOL;
 107     req.ID.toi_type                 = INFO_TYPE_PROVIDER;
 108     req.ID.toi_id                   = IP_MIB_STATS_ID;
 109     req.ID.toi_entity               = *ent;
 110
 111     status = DeviceIoControl( tcpFile,
 112                               IOCTL_TCP_QUERY_INFORMATION_EX,
 113                               &req,
 114                               sizeof(req),
 115                               entry,
 116                               sizeof(*entry),
 117                               &returnSize,
 118                               NULL );
 119
 120     TRACE("TdiGetMibForIpEntity() => {\n"
 121            "  ipsi_forwarding ............ %d\n"
 122            "  ipsi_defaultttl ............ %d\n"
 123            "  ipsi_inreceives ............ %d\n"
 124            "  ipsi_indelivers ............ %d\n"
 125            "  ipsi_outrequests ........... %d\n"
 126            "  ipsi_routingdiscards ....... %d\n"
 127            "  ipsi_outdiscards ........... %d\n"
 128            "  ipsi_outnoroutes ........... %d\n"
 129            "  ipsi_numif ................. %d\n"
 130            "  ipsi_numaddr ............... %d\n"
 131            "  ipsi_numroutes ............. %d\n"
 132            "} status %08x\n",
 133            entry->ipsi_forwarding,
 134            entry->ipsi_defaultttl,
 135            entry->ipsi_inreceives,
 136            entry->ipsi_indelivers,
 137            entry->ipsi_outrequests,
 138            entry->ipsi_routingdiscards,
 139            entry->ipsi_outdiscards,
 140            entry->ipsi_outnoroutes,
 141            entry->ipsi_numif,
 142            entry->ipsi_numaddr,
 143            entry->ipsi_numroutes,
 144            status);
 145
 146     return status;
 147 }
 148
 149 NTSTATUS tdiGetRoutesForIpEntity
 150 ( HANDLE tcpFile, TDIEntityID *ent, IPRouteEntry **routes, PDWORD numRoutes ) {
 151     NTSTATUS status = STATUS_SUCCESS;
 152
 153     TRACE("TdiGetRoutesForIpEntity(tcpFile %x,entityId %x)\n",
 154            (DWORD)tcpFile, ent->tei_instance);
 155
 156     status = tdiGetSetOfThings( tcpFile,
 157                                 INFO_CLASS_PROTOCOL,
 158                                 INFO_TYPE_PROVIDER,
 159                                 IP_MIB_ARPTABLE_ENTRY_ID,
 160                                 CL_NL_ENTITY,
 161                                 ent->tei_instance,
 162                                 0,
 163                                 sizeof(IPRouteEntry),
 164                                 (PVOID *)routes,
 165                                 numRoutes);
 166
 167     return status;
 168 }
 169
 170 NTSTATUS tdiGetIpAddrsForIpEntity
 171 ( HANDLE tcpFile, TDIEntityID *ent, IPAddrEntry **addrs, PDWORD numAddrs ) {
 172     NTSTATUS status;
 173
 174     TRACE("TdiGetIpAddrsForIpEntity(tcpFile %x,entityId %x)\n",
 175            (DWORD)tcpFile, ent->tei_instance);
 176
 177     status = tdiGetSetOfThings( tcpFile,
 178                                 INFO_CLASS_PROTOCOL,
 179                                 INFO_TYPE_PROVIDER,
 180                                 IP_MIB_ADDRTABLE_ENTRY_ID,
 181                                 CL_NL_ENTITY,
 182                                 ent->tei_instance,
 183                                 0,
 184                                 sizeof(IPAddrEntry),
 185                                 (PVOID *)addrs,
 186                                 numAddrs );
 187
 188     return status;
 189 }
 190
 191 DWORD getInterfaceStatsByName(const char *name, PMIB_IFROW entry)
 192 {
 193   if (!name)
 194     return ERROR_INVALID_PARAMETER;
 195   if (!entry)
 196     return ERROR_INVALID_PARAMETER;
 197
 198   return NO_ERROR;
 199 }
 200
 201 DWORD getInterfaceStatsByIndex(DWORD index, PMIB_IFROW entry)
 202 {
 203     return ERROR_INVALID_PARAMETER;
 204 }
 205
 206 DWORD getICMPStats(MIB_ICMP *stats)
 207 {
 208   FILE *fp;
 209
 210   if (!stats)
 211     return ERROR_INVALID_PARAMETER;
 212
 213   memset(stats, 0, sizeof(MIB_ICMP));
 214   /* get most of these stats from /proc/net/snmp, no error if can't */
 215   fp = fopen("/proc/net/snmp", "r");
 216   if (fp) {
 217     const char hdr[] = "Icmp:";
 218     char buf[512] = { 0 }, *ptr;
 219
 220     do {
 221       ptr = fgets(buf, sizeof(buf), fp);
 222     } while (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1));
 223     if (ptr) {
 224       /* last line was a header, get another */
 225       ptr = fgets(buf, sizeof(buf), fp);
 226       if (ptr && strncasecmp(buf, hdr, sizeof(hdr) - 1) == 0) {
 227         char *endPtr;
 228
 229         ptr += sizeof(hdr);
 230         if (ptr && *ptr) {
 231           stats->stats.icmpInStats.dwMsgs = strtoul(ptr, &endPtr, 10);
 232           ptr = endPtr;
 233         }
 234         if (ptr && *ptr) {
 235           stats->stats.icmpInStats.dwErrors = strtoul(ptr, &endPtr, 10);
 236           ptr = endPtr;
 237         }
 238         if (ptr && *ptr) {
 239           stats->stats.icmpInStats.dwDestUnreachs = strtoul(ptr, &endPtr, 10);
 240           ptr = endPtr;
 241         }
 242         if (ptr && *ptr) {
 243           stats->stats.icmpInStats.dwTimeExcds = strtoul(ptr, &endPtr, 10);
 244           ptr = endPtr;
 245         }
 246         if (ptr && *ptr) {
 247           stats->stats.icmpInStats.dwParmProbs = strtoul(ptr, &endPtr, 10);
 248           ptr = endPtr;
 249         }
 250         if (ptr && *ptr) {
 251           stats->stats.icmpInStats.dwSrcQuenchs = strtoul(ptr, &endPtr, 10);
 252           ptr = endPtr;
 253         }
 254         if (ptr && *ptr) {
 255           stats->stats.icmpInStats.dwRedirects = strtoul(ptr, &endPtr, 10);
 256           ptr = endPtr;
 257         }
 258         if (ptr && *ptr) {
 259           stats->stats.icmpInStats.dwEchoReps = strtoul(ptr, &endPtr, 10);
 260           ptr = endPtr;
 261         }
 262         if (ptr && *ptr) {
 263           stats->stats.icmpInStats.dwTimestamps = strtoul(ptr, &endPtr, 10);
 264           ptr = endPtr;
 265         }
 266         if (ptr && *ptr) {
 267           stats->stats.icmpInStats.dwTimestampReps = strtoul(ptr, &endPtr, 10);
 268           ptr = endPtr;
 269         }
 270         if (ptr && *ptr) {
 271           stats->stats.icmpInStats.dwAddrMasks = strtoul(ptr, &endPtr, 10);
 272           ptr = endPtr;
 273         }
 274         if (ptr && *ptr) {
 275           stats->stats.icmpInStats.dwAddrMaskReps = strtoul(ptr, &endPtr, 10);
 276           ptr = endPtr;
 277         }
 278         if (ptr && *ptr) {
 279           stats->stats.icmpOutStats.dwMsgs = strtoul(ptr, &endPtr, 10);
 280           ptr = endPtr;
 281         }
 282         if (ptr && *ptr) {
 283           stats->stats.icmpOutStats.dwErrors = strtoul(ptr, &endPtr, 10);
 284           ptr = endPtr;
 285         }
 286         if (ptr && *ptr) {
 287           stats->stats.icmpOutStats.dwDestUnreachs = strtoul(ptr, &endPtr, 10);
 288           ptr = endPtr;
 289         }
 290         if (ptr && *ptr) {
 291           stats->stats.icmpOutStats.dwTimeExcds = strtoul(ptr, &endPtr, 10);
 292           ptr = endPtr;
 293         }
 294         if (ptr && *ptr) {
 295           stats->stats.icmpOutStats.dwParmProbs = strtoul(ptr, &endPtr, 10);
 296           ptr = endPtr;
 297         }
 298         if (ptr && *ptr) {
 299           stats->stats.icmpOutStats.dwSrcQuenchs = strtoul(ptr, &endPtr, 10);
 300           ptr = endPtr;
 301         }
 302         if (ptr && *ptr) {
 303           stats->stats.icmpOutStats.dwRedirects = strtoul(ptr, &endPtr, 10);
 304           ptr = endPtr;
 305         }
 306         if (ptr && *ptr) {
 307           stats->stats.icmpOutStats.dwEchoReps = strtoul(ptr, &endPtr, 10);
 308           ptr = endPtr;
 309         }
 310         if (ptr && *ptr) {
 311           stats->stats.icmpOutStats.dwTimestamps = strtoul(ptr, &endPtr, 10);
 312           ptr = endPtr;
 313         }
 314         if (ptr && *ptr) {
 315           stats->stats.icmpOutStats.dwTimestampReps = strtoul(ptr, &endPtr, 10);
 316           ptr = endPtr;
 317         }
 318         if (ptr && *ptr) {
 319           stats->stats.icmpOutStats.dwAddrMasks = strtoul(ptr, &endPtr, 10);
 320           ptr = endPtr;
 321         }
 322         if (ptr && *ptr) {
 323           stats->stats.icmpOutStats.dwAddrMaskReps = strtoul(ptr, &endPtr, 10);
 324           ptr = endPtr;
 325         }
 326       }
 327     }
 328     fclose(fp);
 329   }
 330   return NO_ERROR;
 331 }
 332
 333 DWORD getIPStats(PMIB_IPSTATS stats, DWORD family)
 334 {
 335   if (!stats)
 336     return ERROR_INVALID_PARAMETER;
 337   return NO_ERROR;
 338 }
 339
 340 DWORD getTCPStats(MIB_TCPSTATS *stats, DWORD family)
 341 {
 342   if (!stats)
 343     return ERROR_INVALID_PARAMETER;
 344   return NO_ERROR;
 345 }
 346
 347 DWORD getUDPStats(MIB_UDPSTATS *stats, DWORD family)
 348 {
 349   if (!stats)
 350     return ERROR_INVALID_PARAMETER;
 351   return NO_ERROR;
 352 }
 353
 354 static DWORD getNumWithOneHeader(const char *filename)
 355 {
 356     return 0;
 357 }
 358
 359 DWORD getNumRoutes(void)
 360 {
 361     DWORD numEntities, numRoutes = 0;
 362     TDIEntityID *entitySet;
 363     HANDLE tcpFile;
 364     int i;
 365     NTSTATUS status;
 366
 367     TRACE("called.\n");
 368
 369     status = openTcpFile( &tcpFile );
 370
 371     if( !NT_SUCCESS(status) ) {
 372         TRACE("failure: %08x\n", (int)status );
 373         return 0;
 374     }
 375
 376     status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
 377
 378     if( !NT_SUCCESS(status) ) {
 379         TRACE("failure: %08x\n", (int)status );
 380         closeTcpFile( tcpFile );
 381         return 0;
 382     }
 383
 384     for( i = 0; i < numEntities; i++ ) {
 385         if( isIpEntity( tcpFile, &entitySet[i] ) ) {
 386             IPSNMPInfo isnmp;
 387             memset( &isnmp, 0, sizeof( isnmp ) );
 388             status = tdiGetMibForIpEntity( tcpFile, &entitySet[i], &isnmp );
 389             if( !NT_SUCCESS(status) ) {
 390                 tdiFreeThingSet( entitySet );
 391                 closeTcpFile( tcpFile );
 392                 return status;
 393             }
 394             numRoutes += isnmp.ipsi_numroutes;
 395         }
 396     }
 397
 398     TRACE("numRoutes: %d\n", (int)numRoutes);
 399
 400     closeTcpFile( tcpFile );
 401
 402     return numRoutes;
 403 }
 404
 405 VOID HexDump( PCHAR Data, DWORD Len ) {
 406     int i;
 407
 408     for( i = 0; i < Len; i++ ) {
 409         if( !(i & 0xf) ) {
 410             if( i ) fprintf(stderr,"\n");
 411             fprintf(stderr,"%08x:", i);
 412         }
 413         fprintf( stderr, " %02x", Data[i] & 0xff );
 414     }
 415     fprintf(stderr,"\n");
 416 }
 417
 418 RouteTable *getRouteTable(void)
 419 {
 420     RouteTable *out_route_table;
 421     DWORD numRoutes = getNumRoutes(), routesAdded = 0;
 422     TDIEntityID ent;
 423     HANDLE tcpFile;
 424     NTSTATUS status = openTcpFile( &tcpFile );
 425     int i;
 426
 427     if( !NT_SUCCESS(status) )
 428         return 0;
 429
 430     TRACE("GETTING ROUTE TABLE\n");
 431
 432     out_route_table = HeapAlloc( GetProcessHeap(), 0,
 433                                  sizeof(RouteTable) +
 434                                  (sizeof(RouteEntry) * (numRoutes - 1)) );
 435     if (!out_route_table) {
 436         closeTcpFile(tcpFile);
 437         return NULL;
 438     }
 439
 440     out_route_table->numRoutes = numRoutes;
 441
 442     for( i = 0; routesAdded < out_route_table->numRoutes; i++ ) {
 443         int j;
 444         IPRouteEntry *route_set;
 445
 446         getNthIpEntity( tcpFile, i, &ent );
 447
 448         tdiGetRoutesForIpEntity( tcpFile, &ent, &route_set, &numRoutes );
 449
 450         if( !route_set ) {
 451             closeTcpFile( tcpFile );
 452             HeapFree( GetProcessHeap(), 0, out_route_table );
 453             return 0;
 454         }
 455
 456         TRACE( "%d routes in instance %d\n", numRoutes, i );
 457 #if 0
 458         HexDump( route_set,
 459                  sizeof( IPRouteEntry ) *
 460                  snmpInfo.ipsi_numroutes );
 461 #endif
 462
 463         for( j = 0; j < numRoutes; j++ ) {
 464             int routeNum = j + routesAdded;
 465             out_route_table->routes[routeNum].dest =
 466                 route_set[j].ire_dest;
 467             out_route_table->routes[routeNum].mask =
 468                 route_set[j].ire_mask;
 469             out_route_table->routes[routeNum].gateway =
 470                 route_set[j].ire_gw;
 471             out_route_table->routes[routeNum].ifIndex =
 472                 route_set[j].ire_index;
 473             out_route_table->routes[routeNum].metric =
 474                 route_set[j].ire_metric1;
 475         }
 476
 477         if( route_set ) tdiFreeThingSet( route_set );
 478
 479         routesAdded += numRoutes;
 480     }
 481
 482     closeTcpFile( tcpFile );
 483
 484     TRACE("Return: %08x, %08x\n", status, out_route_table);
 485
 486     return out_route_table;
 487 }
 488
 489 DWORD getNumArpEntries(void)
 490 {
 491     DWORD numEntities;
 492     TDIEntityID *entitySet = NULL;
 493     HANDLE tcpFile;
 494     int i, totalNumber = 0;
 495     NTSTATUS status;
 496     PMIB_IPNETROW IpArpTable = NULL;
 497     DWORD returnSize;
 498
 499     TRACE("called.\n");
 500
 501     status = openTcpFile( &tcpFile );
 502
 503     if( !NT_SUCCESS(status) ) {
 504         TRACE("failure: %08x\n", (int)status );
 505         return 0;
 506     }
 507
 508     status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
 509
 510     for( i = 0; i < numEntities; i++ ) {
 511         if( isInterface( &entitySet[i] ) &&
 512             hasArp( tcpFile, &entitySet[i] ) ) {
 513
 514             status = tdiGetSetOfThings( tcpFile,
 515                                         INFO_CLASS_PROTOCOL,
 516                                         INFO_TYPE_PROVIDER,
 517                                         IP_MIB_ARPTABLE_ENTRY_ID,
 518                                         AT_ENTITY,
 519                                         entitySet[i].tei_instance,
 520                                         0,
 521                                         sizeof(MIB_IPNETROW),
 522                                         (PVOID *)&IpArpTable,
 523                                         &returnSize );
 524
 525             if( status == STATUS_SUCCESS ) totalNumber += returnSize;
 526                 if( IpArpTable ) {
 527                         tdiFreeThingSet( IpArpTable );
 528                         IpArpTable = NULL;
 529                 }
 530         }
 531     }
 532
 533     closeTcpFile( tcpFile );
 534     if( IpArpTable ) tdiFreeThingSet( IpArpTable );
 535     if( entitySet ) tdiFreeThingSet( entitySet );
 536     return totalNumber;
 537 }
 538
 539 PMIB_IPNETTABLE getArpTable(void)
 540 {
 541     DWORD numEntities, returnSize;
 542     TDIEntityID *entitySet;
 543     HANDLE tcpFile;
 544     int i, totalNumber, TmpIdx, CurrIdx = 0;
 545     NTSTATUS status;
 546     PMIB_IPNETTABLE IpArpTable = NULL;
 547     PMIB_IPNETROW AdapterArpTable = NULL;
 548
 549     TRACE("called.\n");
 550
 551     totalNumber = getNumArpEntries();
 552
 553     status = openTcpFile( &tcpFile );
 554
 555     if( !NT_SUCCESS(status) ) {
 556         TRACE("failure: %08x\n", (int)status );
 557         return 0;
 558     }
 559
 560     IpArpTable = HeapAlloc
 561         ( GetProcessHeap(), 0,
 562           sizeof(DWORD) + (sizeof(MIB_IPNETROW) * totalNumber) );
 563     if (!IpArpTable) {
 564         closeTcpFile(tcpFile);
 565         return NULL;
 566     }
 567
 568     status = tdiGetEntityIDSet( tcpFile, &entitySet, &numEntities );
 569
 570     for( i = 0; i < numEntities; i++ ) {
 571         if( isInterface( &entitySet[i] ) &&
 572             hasArp( tcpFile, &entitySet[i] ) ) {
 573
 574             status = tdiGetSetOfThings( tcpFile,
 575                                         INFO_CLASS_PROTOCOL,
 576                                         INFO_TYPE_PROVIDER,
 577                                         IP_MIB_ARPTABLE_ENTRY_ID,
 578                                         AT_ENTITY,
 579                                         entitySet[i].tei_instance,
 580                                         0,
 581                                         sizeof(MIB_IPNETROW),
 582                                         (PVOID *)&AdapterArpTable,
 583                                         &returnSize );
 584
 585             if( status == STATUS_SUCCESS ) {
 586                 for( TmpIdx = 0; TmpIdx < returnSize; TmpIdx++, CurrIdx++ )
 587                     IpArpTable->table[CurrIdx] = AdapterArpTable[TmpIdx];
 588                 tdiFreeThingSet( AdapterArpTable );
 589             }
 590         }
 591     }
 592
 593     closeTcpFile( tcpFile );
 594
 595     tdiFreeThingSet( entitySet );
 596     IpArpTable->dwNumEntries = CurrIdx;
 597
 598     return IpArpTable;
 599 }
 600
 601 DWORD getNumUdpEntries(void)
 602 {
 603   return getNumWithOneHeader("/proc/net/udp");
 604 }
 605
 606 PMIB_UDPTABLE getUdpTable(void)
 607 {
 608   DWORD numEntries = getNumUdpEntries();
 609   PMIB_UDPTABLE ret;
 610
 611   ret = (PMIB_UDPTABLE)calloc(1, sizeof(MIB_UDPTABLE) +
 612    (numEntries - 1) * sizeof(MIB_UDPROW));
 613   if (ret) {
 614     FILE *fp;
 615
 616     /* get from /proc/net/udp, no error if can't */
 617     fp = fopen("/proc/net/udp", "r");
 618     if (fp) {
 619       char buf[512] = { 0 }, *ptr;
 620
 621       /* skip header line */
 622       ptr = fgets(buf, sizeof(buf), fp);
 623       while (ptr && ret->dwNumEntries < numEntries) {
 624         ptr = fgets(buf, sizeof(buf), fp);
 625         if (ptr) {
 626           char *endPtr;
 627
 628           if (ptr && *ptr) {
 629             strtoul(ptr, &endPtr, 16); /* skip */
 630             ptr = endPtr;
 631           }
 632           if (ptr && *ptr) {
 633             ptr++;
 634             ret->table[ret->dwNumEntries].dwLocalAddr = strtoul(ptr, &endPtr,
 635              16);
 636             ptr = endPtr;
 637           }
 638           if (ptr && *ptr) {
 639             ptr++;
 640             ret->table[ret->dwNumEntries].dwLocalPort = strtoul(ptr, &endPtr,
 641              16);
 642             ptr = endPtr;
 643           }
 644           ret->dwNumEntries++;
 645         }
 646       }
 647       fclose(fp);
 648     }
 649   }
 650   return ret;
 651 }
 652
 653 DWORD getNumTcpEntries(void)
 654 {
 655   return getNumWithOneHeader("/proc/net/tcp");
 656 }
 657
 658 PMIB_TCPTABLE getTcpTable(void)
 659 {
 660     return 0;
 661 }