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[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 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]=(WCHAR)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 = (struct WkstaTransportEnumData *)
161      closure;
162
163     if (enumData && enumData->pbuf)
164     {
165         if (lanaIndex == 0)
166         {
167             DWORD toAllocate;
168
169             enumData->n_adapt = totalLANAs;
170             enumData->n_read = 0;
171
172             toAllocate = totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0)
173              + MAX_TRANSPORT_NAME * sizeof(WCHAR) +
174              MAX_TRANSPORT_ADDR * sizeof(WCHAR));
175             if (enumData->prefmaxlen != MAX_PREFERRED_LENGTH)
176                 toAllocate = enumData->prefmaxlen;
177             NetApiBufferAllocate(toAllocate, (LPVOID *)enumData->pbuf);
178         }
179         if (*(enumData->pbuf))
180         {
181             UCHAR spaceFor;
182
183             if (enumData->prefmaxlen == MAX_PREFERRED_LENGTH)
184                 spaceFor = totalLANAs;
185             else
186                 spaceFor = enumData->prefmaxlen /
187                  (sizeof(WKSTA_TRANSPORT_INFO_0) + (MAX_TRANSPORT_NAME +
188                  MAX_TRANSPORT_ADDR) * sizeof(WCHAR));
189             if (enumData->n_read < spaceFor)
190             {
191                 PWKSTA_TRANSPORT_INFO_0 ti;
192                 LMSTR transport_name, transport_addr;
193                 MIB_IFROW ifRow;
194
195                 ti = (PWKSTA_TRANSPORT_INFO_0)(*(enumData->pbuf) +
196                  enumData->n_read * sizeof(WKSTA_TRANSPORT_INFO_0));
197                 transport_name = (LMSTR)(*(enumData->pbuf) +
198                  totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
199                  enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
200                 transport_addr = (LMSTR)(*(enumData->pbuf) +
201                  totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0) +
202                  MAX_TRANSPORT_NAME * sizeof(WCHAR)) +
203                  enumData->n_read * MAX_TRANSPORT_ADDR * sizeof(WCHAR));
204
205                 ifRow.dwIndex = data->ifIndex;
206                 GetIfEntry(&ifRow);
207                 ti->wkti0_quality_of_service = 0;
208                 ti->wkti0_number_of_vcs = 0;
209                 ti->wkti0_transport_name = transport_name;
210                 wprint_name(ti->wkti0_transport_name, MAX_TRANSPORT_NAME,
211                  transport, &ifRow);
212                 ti->wkti0_transport_address = transport_addr;
213                 wprint_mac(ti->wkti0_transport_address, MAX_TRANSPORT_ADDR,
214                  &ifRow);
215                 if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
216                     ti->wkti0_wan_ish = TRUE;
217                 else
218                     ti->wkti0_wan_ish = FALSE;
219                 TRACE("%d of %d:ti at %p\n", lanaIndex, totalLANAs, ti);
220                 TRACE("transport_name at %p %s\n",
221                  ti->wkti0_transport_name,
222                  debugstr_w(ti->wkti0_transport_name));
223                 TRACE("transport_address at %p %s\n",
224                  ti->wkti0_transport_address,
225                  debugstr_w(ti->wkti0_transport_address));
226                 enumData->n_read++;
227                 enumData->ret = NERR_Success;
228                 ret = TRUE;
229             }
230             else
231             {
232                 enumData->ret = ERROR_MORE_DATA;
233                 ret = FALSE;
234             }
235         }
236         else
237         {
238             enumData->ret = ERROR_OUTOFMEMORY;
239             ret = FALSE;
240         }
241     }
242     else
243         ret = FALSE;
244     return ret;
245 }
246
247 /**********************************************************************/
248
249 NET_API_STATUS WINAPI 
250 NetWkstaTransportEnum(LMSTR ServerName, DWORD level, PBYTE* pbuf,
251       DWORD prefmaxlen, LPDWORD read_entries,
252       PDWORD total_entries, PDWORD hresume)
253 {
254     NET_API_STATUS ret;
255
256     TRACE(":%s, 0x%08x, %p, 0x%08x, %p, %p, %p\n", debugstr_w(ServerName), 
257      level, pbuf, prefmaxlen, read_entries, total_entries,hresume);
258     if (!NETAPI_IsLocalComputer(ServerName))
259     {
260         FIXME(":not implemented for non-local computers\n");
261         ret = ERROR_INVALID_LEVEL;
262     }
263     else
264     {
265         if (hresume && *hresume)
266         {
267           FIXME(":resume handle not implemented\n");
268           return ERROR_INVALID_LEVEL;
269         }
270
271         switch (level)
272         {
273             case 0: /* transport info */
274             {
275                 ULONG allTransports;
276                 struct WkstaTransportEnumData enumData;
277
278                 if (NetBIOSNumAdapters() == 0)
279                   return ERROR_NETWORK_UNREACHABLE;
280                 if (!read_entries)
281                   return STATUS_ACCESS_VIOLATION;
282                 if (!total_entries || !pbuf)
283                   return RPC_X_NULL_REF_POINTER;
284
285                 enumData.prefmaxlen = prefmaxlen;
286                 enumData.pbuf = pbuf;
287                 memcpy(&allTransports, ALL_TRANSPORTS, sizeof(ULONG));
288                 NetBIOSEnumAdapters(allTransports, WkstaEnumAdaptersCallback,
289                  &enumData);
290                 *read_entries = enumData.n_read;
291                 *total_entries = enumData.n_adapt;
292                 if (hresume) *hresume= 0;
293                 ret = enumData.ret;
294                 break;
295             }
296             default:
297                 TRACE("Invalid level %d is specified\n", level);
298                 ret = ERROR_INVALID_LEVEL;
299         }
300     }
301     return ret;
302 }
303
304
305 /************************************************************
306  *                NetWkstaUserGetInfo  (NETAPI32.@)
307  */
308 NET_API_STATUS WINAPI NetWkstaUserGetInfo(LMSTR reserved, DWORD level,
309                                           PBYTE* bufptr)
310 {
311     NET_API_STATUS nastatus;
312
313     TRACE("(%s, %d, %p)\n", debugstr_w(reserved), level, bufptr);
314     switch (level)
315     {
316     case 0:
317     {
318         PWKSTA_USER_INFO_0 ui;
319         DWORD dwSize = UNLEN + 1;
320
321         /* set up buffer */
322         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
323                              (LPVOID *) bufptr);
324         if (nastatus != NERR_Success)
325             return ERROR_NOT_ENOUGH_MEMORY;
326
327         ui = (PWKSTA_USER_INFO_0) *bufptr;
328         ui->wkui0_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
329
330         /* get data */
331         if (!GetUserNameW(ui->wkui0_username, &dwSize))
332         {
333             NetApiBufferFree(ui);
334             return ERROR_NOT_ENOUGH_MEMORY;
335         }
336         else {
337             nastatus = NetApiBufferReallocate(
338                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
339                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
340                 (LPVOID *) bufptr);
341             if (nastatus != NERR_Success)
342                 return nastatus;
343         }
344         break;
345     }
346
347     case 1:
348     {
349         PWKSTA_USER_INFO_1 ui;
350         PWKSTA_USER_INFO_0 ui0;
351         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
352         LSA_HANDLE PolicyHandle;
353         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
354         NTSTATUS NtStatus;
355
356         /* sizes of the field buffers in WCHARS */
357         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
358
359         FIXME("Level 1 processing is partially implemented\n");
360         oth_domains_sz = 1;
361         logon_server_sz = 1;
362
363         /* get some information first to estimate size of the buffer */
364         ui0 = NULL;
365         nastatus = NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
366         if (nastatus != NERR_Success)
367             return nastatus;
368         username_sz = lstrlenW(ui0->wkui0_username) + 1;
369
370         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
371         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
372                                  POLICY_VIEW_LOCAL_INFORMATION,
373                                  &PolicyHandle);
374         if (NtStatus != STATUS_SUCCESS)
375         {
376             TRACE("LsaOpenPolicyFailed with NT status %x\n",
377                 LsaNtStatusToWinError(NtStatus));
378             NetApiBufferFree(ui0);
379             return ERROR_NOT_ENOUGH_MEMORY;
380         }
381         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
382                                   (PVOID*) &DomainInfo);
383         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
384         LsaClose(PolicyHandle);
385
386         /* set up buffer */
387         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
388                              (username_sz + logon_domain_sz +
389                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
390                              (LPVOID *) bufptr);
391         if (nastatus != NERR_Success) {
392             NetApiBufferFree(ui0);
393             return nastatus;
394         }
395         ui = (WKSTA_USER_INFO_1 *) *bufptr;
396         ui->wkui1_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
397         ui->wkui1_logon_domain = (LMSTR) (
398             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
399         ui->wkui1_oth_domains = (LMSTR) (
400             ((PBYTE) ui->wkui1_logon_domain) +
401             logon_domain_sz * sizeof(WCHAR));
402         ui->wkui1_logon_server = (LMSTR) (
403             ((PBYTE) ui->wkui1_oth_domains) +
404             oth_domains_sz * sizeof(WCHAR));
405
406         /* get data */
407         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
408         NetApiBufferFree(ui0);
409
410         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
411                 logon_domain_sz);
412         LsaFreeMemory(DomainInfo);
413
414         /* FIXME. Not implemented. Populated with empty strings */
415         ui->wkui1_oth_domains[0] = 0;
416         ui->wkui1_logon_server[0] = 0;
417         break;
418     }
419     case 1101:
420     {
421         PWKSTA_USER_INFO_1101 ui;
422         DWORD dwSize = 1;
423
424         FIXME("Stub. Level 1101 processing is not implemented\n");
425         /* FIXME see also wkui1_oth_domains for level 1 */
426
427         /* set up buffer */
428         nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
429                              (LPVOID *) bufptr);
430         if (nastatus != NERR_Success)
431             return nastatus;
432         ui = (PWKSTA_USER_INFO_1101) *bufptr;
433         ui->wkui1101_oth_domains = (LMSTR)(ui + 1);
434
435         /* get data */
436         ui->wkui1101_oth_domains[0] = 0;
437         break;
438     }
439     default:
440         TRACE("Invalid level %d is specified\n", level);
441         return ERROR_INVALID_LEVEL;
442     }
443     return NERR_Success;
444 }
445
446 /************************************************************
447  *                NetpGetComputerName  (NETAPI32.@)
448  */
449 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
450 {
451     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
452
453     TRACE("(%p)\n", Buffer);
454     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
455     if (GetComputerNameW(*Buffer,  &dwSize))
456     {
457         return NetApiBufferReallocate(
458             *Buffer, (dwSize + 1) * sizeof(WCHAR),
459             (LPVOID *) Buffer);
460     }
461     else
462     {
463         NetApiBufferFree(*Buffer);
464         return ERROR_NOT_ENOUGH_MEMORY;
465     }
466 }
467
468 NET_API_STATUS WINAPI I_NetNameCompare(LPVOID p1, LPWSTR wkgrp, LPWSTR comp,
469  LPVOID p4, LPVOID p5)
470 {
471     FIXME("(%p %s %s %p %p): stub\n", p1, debugstr_w(wkgrp), debugstr_w(comp),
472      p4, p5);
473     return ERROR_INVALID_PARAMETER;
474 }
475
476 NET_API_STATUS WINAPI I_NetNameValidate(LPVOID p1, LPWSTR wkgrp, LPVOID p3,
477  LPVOID p4)
478 {
479     FIXME("(%p %s %p %p): stub\n", p1, debugstr_w(wkgrp), p3, p4);
480     return ERROR_INVALID_PARAMETER;
481 }
482
483 NET_API_STATUS WINAPI NetWkstaGetInfo( LMSTR servername, DWORD level,
484                                        LPBYTE* bufptr)
485 {
486     NET_API_STATUS ret;
487
488     TRACE("%s %d %p\n", debugstr_w( servername ), level, bufptr );
489     if (servername)
490     {
491         if (!NETAPI_IsLocalComputer(servername))
492         {
493             FIXME("remote computers not supported\n");
494             return ERROR_INVALID_LEVEL;
495         }
496     }
497     if (!bufptr) return ERROR_INVALID_PARAMETER;
498
499     switch (level)
500     {
501         case 100:
502         case 101:
503         case 102:
504         {
505             static const WCHAR lanroot[] = {'c',':','\\','l','a','n','m','a','n',0};  /* FIXME */
506             DWORD computerNameLen, domainNameLen, size;
507             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
508             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
509             LSA_HANDLE PolicyHandle;
510             NTSTATUS NtStatus;
511            
512             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
513             GetComputerNameW(computerName, &computerNameLen);
514             computerNameLen++; /* include NULL terminator */
515
516             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
517             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
518              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
519             if (NtStatus != STATUS_SUCCESS)
520                 ret = LsaNtStatusToWinError(NtStatus);
521             else
522             {
523                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
524
525                 LsaQueryInformationPolicy(PolicyHandle,
526                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
527                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
528                 size = sizeof(WKSTA_INFO_102) + computerNameLen * sizeof(WCHAR)
529                     + domainNameLen * sizeof(WCHAR) + sizeof(lanroot);
530                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
531                 if (ret == NERR_Success)
532                 {
533                     /* INFO_100 and INFO_101 structures are subsets of INFO_102 */
534                     PWKSTA_INFO_102 info = (PWKSTA_INFO_102)*bufptr;
535                     OSVERSIONINFOW verInfo;
536
537                     info->wki102_platform_id = PLATFORM_ID_NT;
538                     info->wki102_computername = (LMSTR)(*bufptr +
539                      sizeof(WKSTA_INFO_102));
540                     memcpy(info->wki102_computername, computerName,
541                      computerNameLen * sizeof(WCHAR));
542                     info->wki102_langroup = info->wki102_computername + computerNameLen;
543                     memcpy(info->wki102_langroup, DomainInfo->DomainName.Buffer,
544                      domainNameLen * sizeof(WCHAR));
545                     info->wki102_lanroot = info->wki102_langroup + domainNameLen;
546                     memcpy(info->wki102_lanroot, lanroot, sizeof(lanroot));
547                     memset(&verInfo, 0, sizeof(verInfo));
548                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
549                     GetVersionExW(&verInfo);
550                     info->wki102_ver_major = verInfo.dwMajorVersion;
551                     info->wki102_ver_minor = verInfo.dwMinorVersion;
552                     info->wki102_logged_on_users = 1;
553                 }
554                 LsaFreeMemory(DomainInfo);
555                 LsaClose(PolicyHandle);
556             }
557             break;
558         }
559
560         default:
561             FIXME("level %d unimplemented\n", level);
562             ret = ERROR_INVALID_LEVEL;
563     }
564     return ret;
565 }
566
567 /************************************************************
568  *                NetGetJoinInformation (NETAPI32.@)
569  */
570 NET_API_STATUS NET_API_FUNCTION NetGetJoinInformation(
571     LPCWSTR Server,
572     LPWSTR *Name,
573     PNETSETUP_JOIN_STATUS type)
574 {
575     FIXME("Stub %s %p %p\n", wine_dbgstr_w(Server), Name, type);
576
577     *Name = NULL;
578     *type = NetSetupUnknownStatus;
579
580     return NERR_Success;
581 }