wbemprox: Add support for enumerating class methods.
[wine] / dlls / netapi32 / wksta.c
1 /* Copyright 2002 Andriy Palamarchuk
2  * Copyright (c) 2003 Juan Lang
3  *
4  * netapi32 user functions
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdarg.h>
25 #include <stdlib.h>
26 #include "ntstatus.h"
27 #define WIN32_NO_STATUS
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winsock2.h"
31 #include "nb30.h"
32 #include "lmcons.h"
33 #include "lmapibuf.h"
34 #include "lmerr.h"
35 #include "lmwksta.h"
36 #include "iphlpapi.h"
37 #include "winerror.h"
38 #include "ntsecapi.h"
39 #include "netbios.h"
40 #include "wine/debug.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
43
44 /************************************************************
45  *                NETAPI_IsLocalComputer
46  *
47  * Checks whether the server name indicates local machine.
48  */
49 DECLSPEC_HIDDEN BOOL NETAPI_IsLocalComputer(LMCSTR ServerName)
50 {
51     if (!ServerName)
52     {
53         return TRUE;
54     }
55     else if (ServerName[0] == '\0')
56         return TRUE;
57     else
58     {
59         DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
60         BOOL Result;
61         LPWSTR buf;
62
63         NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) &buf);
64         Result = GetComputerNameW(buf,  &dwSize);
65         if (Result && (ServerName[0] == '\\') && (ServerName[1] == '\\'))
66             ServerName += 2;
67         Result = Result && !lstrcmpW(ServerName, buf);
68         NetApiBufferFree(buf);
69
70         return Result;
71     }
72 }
73
74 static void wprint_mac(WCHAR* buffer, int len, const MIB_IFROW *ifRow)
75 {
76     int i;
77     unsigned char val;
78
79     if (!buffer)
80         return;
81     if (len < 1)
82         return;
83     if (!ifRow)
84     {
85         *buffer = '\0';
86         return;
87     }
88
89     for (i = 0; i < ifRow->dwPhysAddrLen && 2 * i < len; i++)
90     {
91         val = ifRow->bPhysAddr[i];
92         if ((val >>4) >9)
93             buffer[2*i] = (WCHAR)((val >>4) + 'A' - 10);
94         else
95             buffer[2*i] = (WCHAR)((val >>4) + '0');
96         if ((val & 0xf ) >9)
97             buffer[2*i+1] = (WCHAR)((val & 0xf) + 'A' - 10);
98         else
99             buffer[2*i+1] = (WCHAR)((val & 0xf) + '0');
100     }
101     buffer[2*i]=0;
102 }
103
104 /* Theoretically this could be too short, except that MS defines
105  * MAX_ADAPTER_NAME as 128, and MAX_INTERFACE_NAME_LEN as 256, and both
106  * represent a count of WCHARs, so even with an extraordinarily long header
107  * this will be plenty
108  */
109 #define MAX_TRANSPORT_NAME MAX_INTERFACE_NAME_LEN
110 #define MAX_TRANSPORT_ADDR 13
111
112 #define NBT_TRANSPORT_NAME_HEADER "\\Device\\NetBT_Tcpip_"
113 #define UNKNOWN_TRANSPORT_NAME_HEADER "\\Device\\UnknownTransport_"
114
115 static void wprint_name(WCHAR *buffer, int len, ULONG transport,
116  PMIB_IFROW ifRow)
117 {
118     WCHAR *ptr1, *ptr2;
119     const char *name;
120
121     if (!buffer)
122         return;
123     if (!ifRow)
124     {
125         *buffer = '\0';
126         return;
127     }
128
129     if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
130         name = NBT_TRANSPORT_NAME_HEADER;
131     else
132         name = UNKNOWN_TRANSPORT_NAME_HEADER;
133
134     for (ptr1 = buffer; *name && ptr1 < buffer + len; ptr1++, name++)
135         *ptr1 = *name;
136     for (ptr2 = ifRow->wszName; *ptr2 && ptr1 < buffer + len; ptr1++, ptr2++)
137         *ptr1 = *ptr2;
138     *ptr1 = '\0';
139 }
140
141 /***********************************************************************
142  *                NetWkstaTransportEnum  (NETAPI32.@)
143  */
144  
145 struct WkstaTransportEnumData
146 {
147     UCHAR          n_adapt;
148     UCHAR          n_read;
149     DWORD          prefmaxlen;
150     LPBYTE        *pbuf;
151     NET_API_STATUS ret;
152 };
153
154 /**********************************************************************/
155
156 static BOOL WkstaEnumAdaptersCallback(UCHAR totalLANAs, UCHAR lanaIndex,
157  ULONG transport, const NetBIOSAdapterImpl *data, void *closure)
158 {
159     BOOL ret;
160     struct WkstaTransportEnumData *enumData = closure;
161
162     if (enumData && enumData->pbuf)
163     {
164         if (lanaIndex == 0)
165         {
166             DWORD toAllocate;
167
168             enumData->n_adapt = totalLANAs;
169             enumData->n_read = 0;
170
171             toAllocate = totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0)
172              + MAX_TRANSPORT_NAME * sizeof(WCHAR) +
173              MAX_TRANSPORT_ADDR * sizeof(WCHAR));
174             if (enumData->prefmaxlen != MAX_PREFERRED_LENGTH)
175                 toAllocate = enumData->prefmaxlen;
176             NetApiBufferAllocate(toAllocate, (LPVOID *)enumData->pbuf);
177         }
178         if (*(enumData->pbuf))
179         {
180             UCHAR spaceFor;
181
182             if (enumData->prefmaxlen == MAX_PREFERRED_LENGTH)
183                 spaceFor = totalLANAs;
184             else
185                 spaceFor = enumData->prefmaxlen /
186                  (sizeof(WKSTA_TRANSPORT_INFO_0) + (MAX_TRANSPORT_NAME +
187                  MAX_TRANSPORT_ADDR) * sizeof(WCHAR));
188             if (enumData->n_read < spaceFor)
189             {
190                 PWKSTA_TRANSPORT_INFO_0 ti;
191                 LMSTR transport_name, transport_addr;
192                 MIB_IFROW ifRow;
193
194                 ti = (PWKSTA_TRANSPORT_INFO_0)(*(enumData->pbuf) +
195                  enumData->n_read * sizeof(WKSTA_TRANSPORT_INFO_0));
196                 transport_name = (LMSTR)(*(enumData->pbuf) +
197                  totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
198                  enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
199                 transport_addr = (LMSTR)(*(enumData->pbuf) +
200                  totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0) +
201                  MAX_TRANSPORT_NAME * sizeof(WCHAR)) +
202                  enumData->n_read * MAX_TRANSPORT_ADDR * sizeof(WCHAR));
203
204                 ifRow.dwIndex = data->ifIndex;
205                 GetIfEntry(&ifRow);
206                 ti->wkti0_quality_of_service = 0;
207                 ti->wkti0_number_of_vcs = 0;
208                 ti->wkti0_transport_name = transport_name;
209                 wprint_name(ti->wkti0_transport_name, MAX_TRANSPORT_NAME,
210                  transport, &ifRow);
211                 ti->wkti0_transport_address = transport_addr;
212                 wprint_mac(ti->wkti0_transport_address, MAX_TRANSPORT_ADDR,
213                  &ifRow);
214                 if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
215                     ti->wkti0_wan_ish = TRUE;
216                 else
217                     ti->wkti0_wan_ish = FALSE;
218                 TRACE("%d of %d:ti at %p\n", lanaIndex, totalLANAs, ti);
219                 TRACE("transport_name at %p %s\n",
220                  ti->wkti0_transport_name,
221                  debugstr_w(ti->wkti0_transport_name));
222                 TRACE("transport_address at %p %s\n",
223                  ti->wkti0_transport_address,
224                  debugstr_w(ti->wkti0_transport_address));
225                 enumData->n_read++;
226                 enumData->ret = NERR_Success;
227                 ret = TRUE;
228             }
229             else
230             {
231                 enumData->ret = ERROR_MORE_DATA;
232                 ret = FALSE;
233             }
234         }
235         else
236         {
237             enumData->ret = ERROR_OUTOFMEMORY;
238             ret = FALSE;
239         }
240     }
241     else
242         ret = FALSE;
243     return ret;
244 }
245
246 /**********************************************************************/
247
248 NET_API_STATUS WINAPI 
249 NetWkstaTransportEnum(LMSTR ServerName, DWORD level, PBYTE* pbuf,
250       DWORD prefmaxlen, LPDWORD read_entries,
251       PDWORD total_entries, PDWORD hresume)
252 {
253     NET_API_STATUS ret;
254
255     TRACE(":%s, 0x%08x, %p, 0x%08x, %p, %p, %p\n", debugstr_w(ServerName), 
256      level, pbuf, prefmaxlen, read_entries, total_entries,hresume);
257     if (!NETAPI_IsLocalComputer(ServerName))
258     {
259         FIXME(":not implemented for non-local computers\n");
260         ret = ERROR_INVALID_LEVEL;
261     }
262     else
263     {
264         if (hresume && *hresume)
265         {
266           FIXME(":resume handle not implemented\n");
267           return ERROR_INVALID_LEVEL;
268         }
269
270         switch (level)
271         {
272             case 0: /* transport info */
273             {
274                 ULONG allTransports;
275                 struct WkstaTransportEnumData enumData;
276
277                 if (NetBIOSNumAdapters() == 0)
278                   return ERROR_NETWORK_UNREACHABLE;
279                 if (!read_entries)
280                   return STATUS_ACCESS_VIOLATION;
281                 if (!total_entries || !pbuf)
282                   return RPC_X_NULL_REF_POINTER;
283
284                 enumData.prefmaxlen = prefmaxlen;
285                 enumData.pbuf = pbuf;
286                 memcpy(&allTransports, ALL_TRANSPORTS, sizeof(ULONG));
287                 NetBIOSEnumAdapters(allTransports, WkstaEnumAdaptersCallback,
288                  &enumData);
289                 *read_entries = enumData.n_read;
290                 *total_entries = enumData.n_adapt;
291                 if (hresume) *hresume= 0;
292                 ret = enumData.ret;
293                 break;
294             }
295             default:
296                 TRACE("Invalid level %d is specified\n", level);
297                 ret = ERROR_INVALID_LEVEL;
298         }
299     }
300     return ret;
301 }
302
303
304 /************************************************************
305  *                NetWkstaUserGetInfo  (NETAPI32.@)
306  */
307 NET_API_STATUS WINAPI NetWkstaUserGetInfo(LMSTR reserved, DWORD level,
308                                           PBYTE* bufptr)
309 {
310     NET_API_STATUS nastatus;
311
312     TRACE("(%s, %d, %p)\n", debugstr_w(reserved), level, bufptr);
313     switch (level)
314     {
315     case 0:
316     {
317         PWKSTA_USER_INFO_0 ui;
318         DWORD dwSize = UNLEN + 1;
319
320         /* set up buffer */
321         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
322                              (LPVOID *) bufptr);
323         if (nastatus != NERR_Success)
324             return ERROR_NOT_ENOUGH_MEMORY;
325
326         ui = (PWKSTA_USER_INFO_0) *bufptr;
327         ui->wkui0_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
328
329         /* get data */
330         if (!GetUserNameW(ui->wkui0_username, &dwSize))
331         {
332             NetApiBufferFree(ui);
333             return ERROR_NOT_ENOUGH_MEMORY;
334         }
335         else {
336             nastatus = NetApiBufferReallocate(
337                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
338                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
339                 (LPVOID *) bufptr);
340             if (nastatus != NERR_Success)
341                 return nastatus;
342         }
343         break;
344     }
345
346     case 1:
347     {
348         PWKSTA_USER_INFO_1 ui;
349         PWKSTA_USER_INFO_0 ui0;
350         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
351         LSA_HANDLE PolicyHandle;
352         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
353         NTSTATUS NtStatus;
354
355         /* sizes of the field buffers in WCHARS */
356         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
357
358         FIXME("Level 1 processing is partially implemented\n");
359         oth_domains_sz = 1;
360         logon_server_sz = 1;
361
362         /* get some information first to estimate size of the buffer */
363         ui0 = NULL;
364         nastatus = NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
365         if (nastatus != NERR_Success)
366             return nastatus;
367         username_sz = lstrlenW(ui0->wkui0_username) + 1;
368
369         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
370         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
371                                  POLICY_VIEW_LOCAL_INFORMATION,
372                                  &PolicyHandle);
373         if (NtStatus != STATUS_SUCCESS)
374         {
375             TRACE("LsaOpenPolicyFailed with NT status %x\n",
376                 LsaNtStatusToWinError(NtStatus));
377             NetApiBufferFree(ui0);
378             return ERROR_NOT_ENOUGH_MEMORY;
379         }
380         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
381                                   (PVOID*) &DomainInfo);
382         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
383         LsaClose(PolicyHandle);
384
385         /* set up buffer */
386         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
387                              (username_sz + logon_domain_sz +
388                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
389                              (LPVOID *) bufptr);
390         if (nastatus != NERR_Success) {
391             NetApiBufferFree(ui0);
392             return nastatus;
393         }
394         ui = (WKSTA_USER_INFO_1 *) *bufptr;
395         ui->wkui1_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
396         ui->wkui1_logon_domain = (LMSTR) (
397             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
398         ui->wkui1_oth_domains = (LMSTR) (
399             ((PBYTE) ui->wkui1_logon_domain) +
400             logon_domain_sz * sizeof(WCHAR));
401         ui->wkui1_logon_server = (LMSTR) (
402             ((PBYTE) ui->wkui1_oth_domains) +
403             oth_domains_sz * sizeof(WCHAR));
404
405         /* get data */
406         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
407         NetApiBufferFree(ui0);
408
409         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
410                 logon_domain_sz);
411         LsaFreeMemory(DomainInfo);
412
413         /* FIXME. Not implemented. Populated with empty strings */
414         ui->wkui1_oth_domains[0] = 0;
415         ui->wkui1_logon_server[0] = 0;
416         break;
417     }
418     case 1101:
419     {
420         PWKSTA_USER_INFO_1101 ui;
421         DWORD dwSize = 1;
422
423         FIXME("Stub. Level 1101 processing is not implemented\n");
424         /* FIXME see also wkui1_oth_domains for level 1 */
425
426         /* set up buffer */
427         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
428                              (LPVOID *) bufptr);
429         if (nastatus != NERR_Success)
430             return nastatus;
431         ui = (PWKSTA_USER_INFO_1101) *bufptr;
432         ui->wkui1101_oth_domains = (LMSTR)(ui + 1);
433
434         /* get data */
435         ui->wkui1101_oth_domains[0] = 0;
436         break;
437     }
438     default:
439         TRACE("Invalid level %d is specified\n", level);
440         return ERROR_INVALID_LEVEL;
441     }
442     return NERR_Success;
443 }
444
445 /************************************************************
446  *                NetWkstaUserEnum  (NETAPI32.@)
447  */
448 NET_API_STATUS WINAPI
449 NetWkstaUserEnum(LMSTR servername, DWORD level, LPBYTE* bufptr,
450                  DWORD prefmaxlen, LPDWORD entriesread,
451                  LPDWORD totalentries, LPDWORD resumehandle)
452 {
453     FIXME("(%s, %d, %p, %d, %p, %p, %p): stub!\n", debugstr_w(servername),
454           level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle);
455     return ERROR_INVALID_PARAMETER;
456 }
457
458 /************************************************************
459  *                NetpGetComputerName  (NETAPI32.@)
460  */
461 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
462 {
463     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
464
465     TRACE("(%p)\n", Buffer);
466     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
467     if (GetComputerNameW(*Buffer,  &dwSize))
468     {
469         return NetApiBufferReallocate(
470             *Buffer, (dwSize + 1) * sizeof(WCHAR),
471             (LPVOID *) Buffer);
472     }
473     else
474     {
475         NetApiBufferFree(*Buffer);
476         return ERROR_NOT_ENOUGH_MEMORY;
477     }
478 }
479
480 NET_API_STATUS WINAPI I_NetNameCompare(LPVOID p1, LPWSTR wkgrp, LPWSTR comp,
481  LPVOID p4, LPVOID p5)
482 {
483     FIXME("(%p %s %s %p %p): stub\n", p1, debugstr_w(wkgrp), debugstr_w(comp),
484      p4, p5);
485     return ERROR_INVALID_PARAMETER;
486 }
487
488 NET_API_STATUS WINAPI I_NetNameValidate(LPVOID p1, LPWSTR wkgrp, LPVOID p3,
489  LPVOID p4)
490 {
491     FIXME("(%p %s %p %p): stub\n", p1, debugstr_w(wkgrp), p3, p4);
492     return ERROR_INVALID_PARAMETER;
493 }
494
495 NET_API_STATUS WINAPI NetWkstaGetInfo( LMSTR servername, DWORD level,
496                                        LPBYTE* bufptr)
497 {
498     NET_API_STATUS ret;
499
500     TRACE("%s %d %p\n", debugstr_w( servername ), level, bufptr );
501     if (servername)
502     {
503         if (!NETAPI_IsLocalComputer(servername))
504         {
505             FIXME("remote computers not supported\n");
506             return ERROR_INVALID_LEVEL;
507         }
508     }
509     if (!bufptr) return ERROR_INVALID_PARAMETER;
510
511     switch (level)
512     {
513         case 100:
514         case 101:
515         case 102:
516         {
517             static const WCHAR lanroot[] = {'c',':','\\','l','a','n','m','a','n',0};  /* FIXME */
518             DWORD computerNameLen, domainNameLen, size;
519             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
520             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
521             LSA_HANDLE PolicyHandle;
522             NTSTATUS NtStatus;
523            
524             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
525             GetComputerNameW(computerName, &computerNameLen);
526             computerNameLen++; /* include NULL terminator */
527
528             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
529             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
530              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
531             if (NtStatus != STATUS_SUCCESS)
532                 ret = LsaNtStatusToWinError(NtStatus);
533             else
534             {
535                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
536
537                 LsaQueryInformationPolicy(PolicyHandle,
538                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
539                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
540                 size = sizeof(WKSTA_INFO_102) + computerNameLen * sizeof(WCHAR)
541                     + domainNameLen * sizeof(WCHAR) + sizeof(lanroot);
542                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
543                 if (ret == NERR_Success)
544                 {
545                     /* INFO_100 and INFO_101 structures are subsets of INFO_102 */
546                     PWKSTA_INFO_102 info = (PWKSTA_INFO_102)*bufptr;
547                     OSVERSIONINFOW verInfo;
548
549                     info->wki102_platform_id = PLATFORM_ID_NT;
550                     info->wki102_computername = (LMSTR)(*bufptr +
551                      sizeof(WKSTA_INFO_102));
552                     memcpy(info->wki102_computername, computerName,
553                      computerNameLen * sizeof(WCHAR));
554                     info->wki102_langroup = info->wki102_computername + computerNameLen;
555                     memcpy(info->wki102_langroup, DomainInfo->DomainName.Buffer,
556                      domainNameLen * sizeof(WCHAR));
557                     info->wki102_lanroot = info->wki102_langroup + domainNameLen;
558                     memcpy(info->wki102_lanroot, lanroot, sizeof(lanroot));
559                     memset(&verInfo, 0, sizeof(verInfo));
560                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
561                     GetVersionExW(&verInfo);
562                     info->wki102_ver_major = verInfo.dwMajorVersion;
563                     info->wki102_ver_minor = verInfo.dwMinorVersion;
564                     info->wki102_logged_on_users = 1;
565                 }
566                 LsaFreeMemory(DomainInfo);
567                 LsaClose(PolicyHandle);
568             }
569             break;
570         }
571
572         default:
573             FIXME("level %d unimplemented\n", level);
574             ret = ERROR_INVALID_LEVEL;
575     }
576     return ret;
577 }
578
579 /************************************************************
580  *                NetGetJoinInformation (NETAPI32.@)
581  */
582 NET_API_STATUS NET_API_FUNCTION NetGetJoinInformation(
583     LPCWSTR Server,
584     LPWSTR *Name,
585     PNETSETUP_JOIN_STATUS type)
586 {
587     static const WCHAR workgroupW[] = {'W','o','r','k','g','r','o','u','p',0};
588
589     FIXME("Semi-stub %s %p %p\n", wine_dbgstr_w(Server), Name, type);
590
591     if (!Name || !type)
592         return ERROR_INVALID_PARAMETER;
593
594     NetApiBufferAllocate(sizeof(workgroupW), (LPVOID *)Name);
595     lstrcpyW(*Name, workgroupW);
596     *type = NetSetupWorkgroupName;
597
598     return NERR_Success;
599 }
600
601 /************************************************************
602  *                NetUserGetGroups (NETAPI32.@)
603  */
604 NET_API_STATUS NET_API_FUNCTION NetUserGetGroups(
605         LPCWSTR servername,
606         LPCWSTR username,
607         DWORD level,
608         LPBYTE *bufptr,
609         DWORD prefixmaxlen,
610         LPDWORD entriesread,
611         LPDWORD totalentries)
612 {
613     FIXME("%s %s %d %p %d %p %p stub\n", debugstr_w(servername),
614           debugstr_w(username), level, bufptr, prefixmaxlen, entriesread,
615           totalentries);
616
617     *bufptr = NULL;
618     *entriesread = 0;
619     *totalentries = 0;
620
621     return ERROR_INVALID_LEVEL;
622 }