dlls/inetmib1/tests/main.c

   1 /*
   2  * Copyright 2008 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 St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18 #include <stdio.h>
  19 #include <stdarg.h>
  20 #include <windef.h>
  21 #include <winbase.h>
  22 #include <snmp.h>
  23
  24 #include "wine/test.h"
  25
  26 static BOOL (WINAPI *pSnmpExtensionInit)(DWORD, HANDLE*, AsnObjectIdentifier*);
  27 static BOOL (WINAPI *pSnmpExtensionQuery)(BYTE, SnmpVarBindList*, AsnInteger32*, AsnInteger32*);
  28
  29 static HMODULE init_test_functions(void)
  30 {
  31     HMODULE mod = LoadLibraryA("inetmib1");
  32
  33     ok(mod != NULL, "failed to load inetmib1.dll\n");
  34
  35     if (!mod) return NULL;
  36
  37     pSnmpExtensionInit = (void *)GetProcAddress(mod, "SnmpExtensionInit");
  38     pSnmpExtensionQuery = (void *)GetProcAddress(mod, "SnmpExtensionQuery");
  39
  40     return mod;
  41 }
  42
  43 static void uninit_test_functions(HMODULE mod)
  44 {
  45     FreeLibrary(mod);
  46 }
  47
  48 static void testInit(void)
  49 {
  50     BOOL ret;
  51     HANDLE event;
  52     AsnObjectIdentifier oid;
  53
  54     if (!pSnmpExtensionInit)
  55     {
  56         win_skip("no SnmpExtensionInit\n");
  57         return;
  58     }
  59
  60 if (0) /* crashes on native */
  61 {
  62     ret = pSnmpExtensionInit(0, NULL, NULL);
  63     ret = pSnmpExtensionInit(0, NULL, &oid);
  64     ret = pSnmpExtensionInit(0, &event, NULL);
  65 }
  66
  67     ret = pSnmpExtensionInit(0, &event, &oid);
  68     ok(ret, "SnmpExtensionInit failed: %d\n", GetLastError());
  69     ok(!strcmp("1.3.6.1.2.1.1", SnmpUtilOidToA(&oid)),
  70         "Expected 1.3.6.1.2.1.1, got %s\n", SnmpUtilOidToA(&oid));
  71
  72
  73 if (0)
  74 {
  75     /* Fails when called on win8, documentation suggests that
  76        extension itself is responsible for freeing this oid */
  77     SnmpUtilOidFree(&oid);
  78 }
  79 }
  80
  81 static void testQuery(void)
  82 {
  83     BOOL ret, moreData, noChange;
  84     SnmpVarBindList list;
  85     AsnInteger32 error, index;
  86     UINT bogus[] = { 1,2,3,4 };
  87     UINT mib2System[] = { 1,3,6,1,2,1,1 };
  88     UINT mib2If[] = { 1,3,6,1,2,1,2 };
  89     UINT mib2IfTable[] = { 1,3,6,1,2,1,2,2 };
  90     UINT mib2IfDescr[] = { 1,3,6,1,2,1,2,2,1,2 };
  91     UINT mib2IfAdminStatus[] = { 1,3,6,1,2,1,2,2,1,7 };
  92     UINT mib2IfOperStatus[] = { 1,3,6,1,2,1,2,2,1,8 };
  93     UINT mib2IpAddr[] = { 1,3,6,1,2,1,4,20,1,1 };
  94     UINT mib2IpRouteTable[] = { 1,3,6,1,2,1,4,21,1,1 };
  95     UINT mib2UdpTable[] = { 1,3,6,1,2,1,7,5,1,1 };
  96     SnmpVarBind vars[3], vars2[3], vars3[3];
  97     UINT entry;
  98
  99     if (!pSnmpExtensionQuery)
 100     {
 101         win_skip("couldn't find SnmpExtensionQuery\n");
 102         return;
 103     }
 104
 105 if (0) /* crashes on native */
 106 {
 107     ret = pSnmpExtensionQuery(0, NULL, NULL, NULL);
 108     ret = pSnmpExtensionQuery(0, NULL, &error, NULL);
 109     ret = pSnmpExtensionQuery(0, NULL, NULL, &index);
 110     ret = pSnmpExtensionQuery(0, &list, NULL, NULL);
 111     ret = pSnmpExtensionQuery(0, &list, &error, NULL);
 112 }
 113     /* An empty list succeeds */
 114     list.len = 0;
 115     error = 0xdeadbeef;
 116     index = 0xdeadbeef;
 117     ret = pSnmpExtensionQuery(SNMP_PDU_GET, &list, &error, &index);
 118     ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 119     ok(error == SNMP_ERRORSTATUS_NOERROR,
 120         "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 121     ok(index == 0, "expected index 0, got %d\n", index);
 122
 123     /* Oddly enough, this "succeeds," even though the OID is clearly
 124      * unsupported.
 125      */
 126     vars[0].name.idLength = ARRAY_SIZE(bogus);
 127     vars[0].name.ids = bogus;
 128     vars[0].value.asnType = 0;
 129     list.len = 1;
 130     list.list = vars;
 131     SetLastError(0xdeadbeef);
 132     error = 0xdeadbeef;
 133     index = 0xdeadbeef;
 134     ret = pSnmpExtensionQuery(SNMP_PDU_GET, &list, &error, &index);
 135     ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 136     ok(error == SNMP_ERRORSTATUS_NOERROR ||
 137         broken(error == ERROR_FILE_NOT_FOUND) /* NT4 */,
 138         "expected SNMP_ERRORSTATUS_NOERROR or ERROR_FILE_NOT_FOUND, got %d\n",
 139         error);
 140     if (error == SNMP_ERRORSTATUS_NOERROR)
 141         ok(index == 0, "expected index 0, got %d\n", index);
 142     else if (error == ERROR_FILE_NOT_FOUND)
 143         ok(index == 1, "expected index 1, got %d\n", index);
 144     /* The OID isn't changed either: */
 145     ok(!strcmp("1.2.3.4", SnmpUtilOidToA(&vars[0].name)),
 146         "expected 1.2.3.4, got %s\n", SnmpUtilOidToA(&vars[0].name));
 147
 148     /* The table is not an accessible variable, so it fails */
 149     vars[0].name.idLength = ARRAY_SIZE(mib2IfTable);
 150     vars[0].name.ids = mib2IfTable;
 151     SetLastError(0xdeadbeef);
 152     error = 0xdeadbeef;
 153     index = 0xdeadbeef;
 154     ret = pSnmpExtensionQuery(SNMP_PDU_GET, &list, &error, &index);
 155     ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 156     ok(error == SNMP_ERRORSTATUS_NOSUCHNAME,
 157         "expected SNMP_ERRORSTATUS_NOSUCHNAME, got %d\n", error);
 158     /* The index is 1-based rather than 0-based */
 159     ok(index == 1, "expected index 1, got %d\n", index);
 160
 161     /* A Get fails on something that specifies a table (but not a particular
 162      * entry in it)...
 163      */
 164     vars[0].name.idLength = ARRAY_SIZE(mib2IfDescr);
 165     vars[0].name.ids = mib2IfDescr;
 166     vars[1].name.idLength = ARRAY_SIZE(mib2IfAdminStatus);
 167     vars[1].name.ids = mib2IfAdminStatus;
 168     vars[2].name.idLength = ARRAY_SIZE(mib2IfOperStatus);
 169     vars[2].name.ids = mib2IfOperStatus;
 170     list.len = 3;
 171     SetLastError(0xdeadbeef);
 172     error = 0xdeadbeef;
 173     index = 0xdeadbeef;
 174     ret = pSnmpExtensionQuery(SNMP_PDU_GET, &list, &error, &index);
 175     ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 176     ok(error == SNMP_ERRORSTATUS_NOSUCHNAME,
 177         "expected SNMP_ERRORSTATUS_NOSUCHNAME, got %d\n", error);
 178     ok(index == 1, "expected index 1, got %d\n", index);
 179     /* but a GetNext succeeds with the same values, because GetNext gets the
 180      * entry after the specified OID, not the entry specified by it.  The
 181      * successor to the table is the first entry in the table.
 182      * The OIDs need to be allocated, because GetNext modifies them to indicate
 183      * the end of data.
 184      */
 185     SnmpUtilOidCpy(&vars2[0].name, &vars[0].name);
 186     SnmpUtilOidCpy(&vars2[1].name, &vars[1].name);
 187     SnmpUtilOidCpy(&vars2[2].name, &vars[2].name);
 188     list.list = vars2;
 189     moreData = TRUE;
 190     noChange = FALSE;
 191     entry = 0;
 192     do {
 193         SetLastError(0xdeadbeef);
 194         error = 0xdeadbeef;
 195         index = 0xdeadbeef;
 196         ret = pSnmpExtensionQuery(SNMP_PDU_GETNEXT, &list, &error, &index);
 197         ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 198         ok(error == SNMP_ERRORSTATUS_NOERROR,
 199             "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 200         ok(index == 0, "expected index 0, got %d\n", index);
 201         if (!ret)
 202             moreData = FALSE;
 203         else if (error)
 204             moreData = FALSE;
 205         else if (SnmpUtilOidNCmp(&vars2[0].name, &vars[0].name,
 206             vars[0].name.idLength))
 207             moreData = FALSE;
 208         else if (SnmpUtilOidNCmp(&vars2[1].name, &vars[1].name,
 209             vars[1].name.idLength))
 210             moreData = FALSE;
 211         else if (SnmpUtilOidNCmp(&vars2[2].name, &vars[2].name,
 212             vars[2].name.idLength))
 213             moreData = FALSE;
 214         else if (!SnmpUtilOidCmp(&vars[0].name, &vars2[0].name) ||
 215          !SnmpUtilOidCmp(&vars[1].name, &vars2[1].name) ||
 216          !SnmpUtilOidCmp(&vars[2].name, &vars2[2].name))
 217         {
 218             /* If the OID isn't modified, the function isn't implemented on this
 219              * platform, skip the remaining tests.
 220              */
 221             noChange = TRUE;
 222         }
 223         if (moreData)
 224         {
 225             UINT lastID;
 226
 227             /* Check the OIDs.  For these types of values (display strings and
 228              * integers) they should increase by 1 for each element of the table
 229              * according to RFC 1158.  Windows sometimes has a weird value in the
 230              * table, so allow any value as long as it's greater than the previous
 231              * value on Windows.
 232              */
 233             ok(vars2[0].name.idLength == vars[0].name.idLength + 1,
 234                 "expected length %d, got %d\n", vars[0].name.idLength + 1,
 235                 vars2[0].name.idLength);
 236             lastID = vars2[0].name.ids[vars2[0].name.idLength - 1];
 237             ok(lastID == entry + 1 || broken(lastID > entry),
 238                 "expected %d, got %d\n", entry + 1, lastID);
 239             ok(vars2[1].name.idLength == vars[1].name.idLength + 1,
 240                 "expected length %d, got %d\n", vars[1].name.idLength + 1,
 241                 vars2[1].name.idLength);
 242             lastID = vars2[1].name.ids[vars2[1].name.idLength - 1];
 243             ok(lastID == entry + 1 || broken(lastID > entry),
 244                 "expected %d, got %d\n", entry + 1, lastID);
 245             ok(vars2[2].name.idLength == vars[2].name.idLength + 1,
 246                 "expected length %d, got %d\n", vars[2].name.idLength + 1,
 247                 vars2[2].name.idLength);
 248             lastID = vars2[2].name.ids[vars2[2].name.idLength - 1];
 249             ok(lastID == entry + 1 || broken(lastID > entry),
 250                 "expected %d, got %d\n", entry + 1, lastID);
 251             entry = lastID;
 252             /* Check the types while we're at it */
 253             ok(vars2[0].value.asnType == ASN_OCTETSTRING,
 254                 "expected ASN_OCTETSTRING, got %02x\n", vars2[0].value.asnType);
 255             ok(vars2[1].value.asnType == ASN_INTEGER,
 256                 "expected ASN_INTEGER, got %02x\n", vars2[1].value.asnType);
 257             ok(vars2[2].value.asnType == ASN_INTEGER,
 258                 "expected ASN_INTEGER, got %02x\n", vars2[2].value.asnType);
 259         }
 260         else if (noChange)
 261             skip("no change in OID, no MIB2 IF table implementation\n");
 262     } while (moreData && !noChange);
 263     SnmpUtilVarBindFree(&vars2[0]);
 264     SnmpUtilVarBindFree(&vars2[1]);
 265     SnmpUtilVarBindFree(&vars2[2]);
 266
 267     /* Even though SnmpExtensionInit says this DLL supports the MIB2 system
 268      * variables, on recent systems (at least Win2k) the first variable it
 269      * returns a value for is the first interface.
 270      */
 271     vars[0].name.idLength = ARRAY_SIZE(mib2System);
 272     vars[0].name.ids = mib2System;
 273     SnmpUtilOidCpy(&vars2[0].name, &vars[0].name);
 274     vars2[0].value.asnType = 0;
 275     list.len = 1;
 276     list.list = vars2;
 277     noChange = FALSE;
 278     ret = pSnmpExtensionQuery(SNMP_PDU_GETNEXT, &list, &error, &index);
 279     ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 280     ok(error == SNMP_ERRORSTATUS_NOERROR,
 281         "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 282     ok(index == 0, "expected index 0, got %d\n", index);
 283     vars3[0].name.idLength = ARRAY_SIZE(mib2If);
 284     vars3[0].name.ids = mib2If;
 285     ok(!SnmpUtilOidNCmp(&vars2[0].name, &vars[0].name, vars[0].name.idLength) ||
 286        !SnmpUtilOidNCmp(&vars2[0].name, &vars3[0].name, vars3[0].name.idLength),
 287         "expected 1.3.6.1.2.1.1 or 1.3.6.1.2.1.2, got %s\n",
 288         SnmpUtilOidToA(&vars2[0].name));
 289     SnmpUtilVarBindFree(&vars2[0]);
 290
 291     /* Check the type and OIDs of the IP address table */
 292     vars[0].name.idLength = ARRAY_SIZE(mib2IpAddr);
 293     vars[0].name.ids = mib2IpAddr;
 294     SnmpUtilOidCpy(&vars2[0].name, &vars[0].name);
 295     vars2[0].value.asnType = 0;
 296     list.len = 1;
 297     list.list = vars2;
 298     moreData = TRUE;
 299     do {
 300         ret = pSnmpExtensionQuery(SNMP_PDU_GETNEXT, &list, &error, &index);
 301         ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 302         ok(error == SNMP_ERRORSTATUS_NOERROR,
 303             "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 304         ok(index == 0, "expected index 0, got %d\n", index);
 305         if (!ret)
 306             moreData = FALSE;
 307         else if (error)
 308             moreData = FALSE;
 309         else if (SnmpUtilOidNCmp(&vars2[0].name, &vars[0].name,
 310             vars[0].name.idLength))
 311             moreData = FALSE;
 312         else if (!SnmpUtilOidCmp(&vars2[0].name, &vars[0].name))
 313         {
 314             /* If the OID isn't modified, the function isn't implemented on this
 315              * platform, skip the remaining tests.
 316              */
 317             noChange = TRUE;
 318         }
 319         if (moreData)
 320         {
 321             /* Make sure the size of the OID is right.
 322              * FIXME: don't know if IPv6 addrs are shared with this table.
 323              * Don't think so, but I'm not certain.
 324              */
 325             ok(vars2[0].name.idLength == vars[0].name.idLength + 4,
 326                 "expected length %d, got %d\n", vars[0].name.idLength + 4,
 327                 vars2[0].name.idLength);
 328             /* Make sure the type is right */
 329             ok(vars2[0].value.asnType == ASN_IPADDRESS,
 330                 "expected type ASN_IPADDRESS, got %02x\n",
 331                 vars2[0].value.asnType);
 332             if (vars2[0].value.asnType == ASN_IPADDRESS)
 333             {
 334                 UINT i;
 335
 336                 /* This looks uglier than it is:  the base OID for the IP
 337                  * address, 1.3.6.1.2.1.4.20.1.1, is appended with the IP
 338                  * address of the entry.  So e.g. the loopback address is
 339                  * identified in MIB2 as 1.3.6.1.2.1.4.20.1.1.127.0.0.1
 340                  */
 341                 for (i = 0; i < vars2[0].value.asnValue.address.length; i++)
 342                 {
 343                     ok(vars2[0].value.asnValue.address.stream[i] ==
 344                         vars2[0].name.ids[vars2[0].name.idLength - 4 + i],
 345                         "expected ident byte %d to be %d, got %d\n", i,
 346                         vars2[0].value.asnValue.address.stream[i],
 347                         vars2[0].name.ids[vars2[0].name.idLength - 4 + i]);
 348                 }
 349             }
 350         }
 351         else if (noChange)
 352             skip("no change in OID, no MIB2 IP address table implementation\n");
 353     } while (moreData && !noChange);
 354     SnmpUtilVarBindFree(&vars2[0]);
 355
 356     /* Check the type and OIDs of the IP route table */
 357     vars[0].name.idLength = DEFINE_SIZEOF(mib2IpRouteTable);
 358     vars[0].name.ids = mib2IpRouteTable;
 359     SnmpUtilOidCpy(&vars2[0].name, &vars[0].name);
 360     vars2[0].value.asnType = 0;
 361     list.len = 1;
 362     list.list = vars2;
 363     moreData = TRUE;
 364     noChange = FALSE;
 365     do {
 366         ret = pSnmpExtensionQuery(SNMP_PDU_GETNEXT, &list, &error, &index);
 367         ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 368         ok(error == SNMP_ERRORSTATUS_NOERROR,
 369             "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 370         ok(index == 0, "expected index 0, got %d\n", index);
 371         if (!ret)
 372             moreData = FALSE;
 373         else if (error)
 374             moreData = FALSE;
 375         else if (SnmpUtilOidNCmp(&vars2[0].name, &vars[0].name,
 376             vars[0].name.idLength))
 377             moreData = FALSE;
 378         else if (!SnmpUtilOidCmp(&vars2[0].name, &vars[0].name))
 379         {
 380             /* If the OID isn't modified, the function isn't implemented on this
 381              * platform, skip the remaining tests.
 382              */
 383             noChange = TRUE;
 384         }
 385         if (moreData)
 386         {
 387             /* Make sure the size of the OID is right.
 388              * FIXME: don't know if IPv6 addrs are shared with this table.
 389              * Don't think so, but I'm not certain.
 390              */
 391             ok(vars2[0].name.idLength == vars[0].name.idLength + 4,
 392                 "expected length %d, got %d\n", vars[0].name.idLength + 4,
 393                 vars2[0].name.idLength);
 394             /* Make sure the type is right */
 395             ok(vars2[0].value.asnType == ASN_IPADDRESS,
 396                 "expected type ASN_IPADDRESS, got %02x\n",
 397                 vars2[0].value.asnType);
 398             if (vars2[0].value.asnType == ASN_IPADDRESS)
 399             {
 400                 UINT i;
 401
 402                 /* The base OID for the route table, 1.3.6.1.2.1.4.21.1.1, is
 403                  * appended with the dest IP address of the entry.  So e.g. a
 404                  * route entry for 224.0.0.0 is identified in MIB2 as
 405                  * 1.3.6.1.2.1.4.21.1.1.224.0.0.0
 406                  */
 407                 for (i = 0; i < vars2[0].value.asnValue.address.length; i++)
 408                 {
 409                     ok(vars2[0].value.asnValue.address.stream[i] ==
 410                         vars2[0].name.ids[vars2[0].name.idLength - 4 + i],
 411                         "expected ident byte %d to be %d, got %d\n", i,
 412                         vars2[0].value.asnValue.address.stream[i],
 413                         vars2[0].name.ids[vars2[0].name.idLength - 4 + i]);
 414                 }
 415             }
 416         }
 417         else if (noChange)
 418             skip("no change in OID, no MIB2 IP route table implementation\n");
 419     } while (moreData && !noChange);
 420     SnmpUtilVarBindFree(&vars2[0]);
 421
 422     /* Check the type and OIDs of the UDP table */
 423     vars[0].name.idLength = DEFINE_SIZEOF(mib2UdpTable);
 424     vars[0].name.ids = mib2UdpTable;
 425     SnmpUtilOidCpy(&vars2[0].name, &vars[0].name);
 426     vars2[0].value.asnType = 0;
 427     list.len = 1;
 428     list.list = vars2;
 429     moreData = TRUE;
 430     noChange = FALSE;
 431     do {
 432         ret = pSnmpExtensionQuery(SNMP_PDU_GETNEXT, &list, &error, &index);
 433         ok(ret, "SnmpExtensionQuery failed: %d, %d\n", error, index);
 434         /* FIXME:  error and index aren't checked here because the UDP table is
 435          * the last OID currently supported by Wine, so the last GetNext fails.
 436          * todo_wine is also not effective because it will succeed for all but
 437          * the last GetNext.  Remove the if (0) if any later OID is supported
 438          * by Wine.
 439          */
 440         if (0) {
 441         ok(error == SNMP_ERRORSTATUS_NOERROR,
 442             "expected SNMP_ERRORSTATUS_NOERROR, got %d\n", error);
 443         ok(index == 0, "expected index 0, got %d\n", index);
 444         }
 445         if (!ret)
 446             moreData = FALSE;
 447         else if (error)
 448             moreData = FALSE;
 449         else if (SnmpUtilOidNCmp(&vars2[0].name, &vars[0].name,
 450             vars[0].name.idLength))
 451             moreData = FALSE;
 452         else if (!SnmpUtilOidCmp(&vars2[0].name, &vars[0].name))
 453         {
 454             /* If the OID isn't modified, the function isn't implemented on this
 455              * platform, skip the remaining tests.
 456              */
 457             noChange = TRUE;
 458         }
 459         if (moreData)
 460         {
 461             /* Make sure the size of the OID is right. */
 462             ok(vars2[0].name.idLength == vars[0].name.idLength + 5,
 463                 "expected length %d, got %d\n", vars[0].name.idLength + 5,
 464                 vars2[0].name.idLength);
 465             /* Make sure the type is right */
 466             ok(vars2[0].value.asnType == ASN_IPADDRESS,
 467                 "expected type ASN_IPADDRESS, got %02x\n",
 468                 vars2[0].value.asnType);
 469             if (vars2[0].value.asnType == ASN_IPADDRESS)
 470             {
 471                 UINT i;
 472
 473                 /* Again with the ugly:  the base OID for the UDP table,
 474                  * 1.3.6.1.2.1.7.5.1, is appended with the local IP address and
 475                  * port number of the entry.  So e.g. an entry for
 476                  * 192.168.1.1:4000 is identified in MIB2 as
 477                  * 1.3.6.1.2.1.7.5.1.192.168.1.1.4000
 478                  */
 479                 for (i = 0; i < vars2[0].value.asnValue.address.length; i++)
 480                 {
 481                     ok(vars2[0].value.asnValue.address.stream[i] ==
 482                         vars2[0].name.ids[vars2[0].name.idLength - 5 + i],
 483                         "expected ident byte %d to be %d, got %d\n", i,
 484                         vars2[0].value.asnValue.address.stream[i],
 485                         vars2[0].name.ids[vars2[0].name.idLength - 5 + i]);
 486                 }
 487             }
 488         }
 489         else if (noChange)
 490             skip("no change in OID, no MIB2 UDP table implementation\n");
 491     } while (moreData && !noChange);
 492     SnmpUtilVarBindFree(&vars2[0]);
 493 }
 494
 495 START_TEST(main)
 496 {
 497     HMODULE mod;
 498
 499     if (!(mod = init_test_functions()))
 500         return;
 501
 502     testInit();
 503     testQuery();
 504
 505     uninit_test_functions(mod);
 506 }