Fix subclassing to support nested messages.
[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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdarg.h>
25 #include <stdlib.h>
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winsock2.h"
29 #include "nb30.h"
30 #include "lmcons.h"
31 #include "lmapibuf.h"
32 #include "lmerr.h"
33 #include "lmwksta.h"
34 #include "iphlpapi.h"
35 #include "winerror.h"
36 #include "ntstatus.h"
37 #include "winreg.h"
38 #include "winternl.h"
39 #include "ntsecapi.h"
40 #include "netbios.h"
41 #include "wine/debug.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
44
45 /************************************************************
46  *                NETAPI_IsLocalComputer
47  *
48  * Checks whether the server name indicates local machine.
49  */
50 BOOL NETAPI_IsLocalComputer(LPCWSTR ServerName)
51 {
52     if (!ServerName)
53     {
54         return TRUE;
55     }
56     else
57     {
58         DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
59         BOOL Result;
60         LPWSTR buf;
61
62         NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) &buf);
63         Result = GetComputerNameW(buf,  &dwSize);
64         if (Result && (ServerName[0] == '\\') && (ServerName[1] == '\\'))
65             ServerName += 2;
66         Result = Result && !lstrcmpW(ServerName, buf);
67         NetApiBufferFree(buf);
68
69         return Result;
70     }
71 }
72
73 static void wprint_mac(WCHAR* buffer, int len, PMIB_IFROW ifRow)
74 {
75     int i;
76     unsigned char val;
77
78     if (!buffer)
79         return;
80     if (len < 1)
81         return;
82     if (!ifRow)
83     {
84         *buffer = '\0';
85         return;
86     }
87
88     for (i = 0; i < ifRow->dwPhysAddrLen && 2 * i < len; i++)
89     {
90         val = ifRow->bPhysAddr[i];
91         if ((val >>4) >9)
92             buffer[2*i] = (WCHAR)((val >>4) + 'A' - 10);
93         else
94             buffer[2*i] = (WCHAR)((val >>4) + '0');
95         if ((val & 0xf ) >9)
96             buffer[2*i+1] = (WCHAR)((val & 0xf) + 'A' - 10);
97         else
98             buffer[2*i+1] = (WCHAR)((val & 0xf) + '0');
99     }
100     buffer[2*i]=(WCHAR)0;
101 }
102
103 /* Theoretically this could be too short, except that MS defines
104  * MAX_ADAPTER_NAME as 128, and MAX_INTERFACE_NAME_LEN as 256, and both
105  * represent a count of WCHARs, so even with an extroardinarily long header
106  * this will be plenty
107  */
108 #define MAX_TRANSPORT_NAME MAX_INTERFACE_NAME_LEN
109 #define MAX_TRANSPORT_ADDR 13
110
111 #define NBT_TRANSPORT_NAME_HEADER "\\Device\\NetBT_Tcpip_"
112 #define UNKNOWN_TRANSPORT_NAME_HEADER "\\Device\\UnknownTransport_"
113
114 static void wprint_name(WCHAR *buffer, int len, ULONG transport,
115  PMIB_IFROW ifRow)
116 {
117     WCHAR *ptr1, *ptr2;
118     const char *name;
119
120     if (!buffer)
121         return;
122     if (!ifRow)
123     {
124         *buffer = '\0';
125         return;
126     }
127
128     if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
129         name = NBT_TRANSPORT_NAME_HEADER;
130     else
131         name = UNKNOWN_TRANSPORT_NAME_HEADER;
132
133     for (ptr1 = buffer; *name && ptr1 < buffer + len; ptr1++, name++)
134         *ptr1 = *name;
135     for (ptr2 = ifRow->wszName; *ptr2 && ptr1 < buffer + len; ptr1++, ptr2++)
136         *ptr1 = *ptr2;
137     *ptr1 = '\0';
138 }
139
140 /***********************************************************************
141  *                NetWkstaTransportEnum  (NETAPI32.@)
142  */
143  
144 struct WkstaTransportEnumData
145 {
146     UCHAR          n_adapt;
147     UCHAR          n_read;
148     DWORD          prefmaxlen;
149     LPBYTE        *pbuf;
150     NET_API_STATUS ret;
151 };
152
153 /**********************************************************************/
154
155 static BOOL WkstaEnumAdaptersCallback(UCHAR totalLANAs, UCHAR lanaIndex,
156  ULONG transport, const NetBIOSAdapterImpl *data, void *closure)
157 {
158     BOOL ret;
159     struct WkstaTransportEnumData *enumData = (struct WkstaTransportEnumData *)
160      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                 LPWSTR 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 = (LPWSTR)(*(enumData->pbuf) +
197                  totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
198                  enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
199                 transport_addr = (LPWSTR)(*(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(LPWSTR 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%08lx, %p, 0x%08lx, %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                 ERR("Invalid level %ld 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(LPWSTR reserved, DWORD level,
308                                           PBYTE* bufptr)
309 {
310     TRACE("(%s, %ld, %p)\n", debugstr_w(reserved), level, bufptr);
311     switch (level)
312     {
313     case 0:
314     {
315         PWKSTA_USER_INFO_0 ui;
316         DWORD dwSize = UNLEN + 1;
317
318         /* set up buffer */
319         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
320                              (LPVOID *) bufptr);
321
322         ui = (PWKSTA_USER_INFO_0) *bufptr;
323         ui->wkui0_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
324
325         /* get data */
326         if (!GetUserNameW(ui->wkui0_username, &dwSize))
327         {
328             NetApiBufferFree(ui);
329             return ERROR_NOT_ENOUGH_MEMORY;
330         }
331         else
332             NetApiBufferReallocate(
333                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
334                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
335                 (LPVOID *) bufptr);
336         break;
337     }
338
339     case 1:
340     {
341         PWKSTA_USER_INFO_1 ui;
342         PWKSTA_USER_INFO_0 ui0;
343         DWORD dwSize;
344         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
345         LSA_HANDLE PolicyHandle;
346         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
347         NTSTATUS NtStatus;
348
349         /* sizes of the field buffers in WCHARS */
350         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
351
352         FIXME("Level 1 processing is partially implemented\n");
353         oth_domains_sz = 1;
354         logon_server_sz = 1;
355
356         /* get some information first to estimate size of the buffer */
357         ui0 = NULL;
358         NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
359         username_sz = lstrlenW(ui0->wkui0_username) + 1;
360
361         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
362         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
363                                  POLICY_VIEW_LOCAL_INFORMATION,
364                                  &PolicyHandle);
365         if (NtStatus != STATUS_SUCCESS)
366         {
367             ERR("LsaOpenPolicyFailed with NT status %lx\n",
368                 LsaNtStatusToWinError(NtStatus));
369             NetApiBufferFree(ui0);
370             return ERROR_NOT_ENOUGH_MEMORY;
371         }
372         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
373                                   (PVOID*) &DomainInfo);
374         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
375         LsaClose(PolicyHandle);
376
377         /* set up buffer */
378         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
379                              (username_sz + logon_domain_sz +
380                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
381                              (LPVOID *) bufptr);
382         ui = (WKSTA_USER_INFO_1 *) *bufptr;
383         ui->wkui1_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
384         ui->wkui1_logon_domain = (LPWSTR) (
385             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
386         ui->wkui1_oth_domains = (LPWSTR) (
387             ((PBYTE) ui->wkui1_logon_domain) +
388             logon_domain_sz * sizeof(WCHAR));
389         ui->wkui1_logon_server = (LPWSTR) (
390             ((PBYTE) ui->wkui1_oth_domains) +
391             oth_domains_sz * sizeof(WCHAR));
392
393         /* get data */
394         dwSize = username_sz;
395         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
396         NetApiBufferFree(ui0);
397
398         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
399                 logon_domain_sz);
400         LsaFreeMemory(DomainInfo);
401
402         /* FIXME. Not implemented. Populated with empty strings */
403         ui->wkui1_oth_domains[0] = 0;
404         ui->wkui1_logon_server[0] = 0;
405         break;
406     }
407     case 1101:
408     {
409         PWKSTA_USER_INFO_1101 ui;
410         DWORD dwSize = 1;
411
412         FIXME("Stub. Level 1101 processing is not implemented\n");
413         /* FIXME see also wkui1_oth_domains for level 1 */
414
415         /* set up buffer */
416         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
417                              (LPVOID *) bufptr);
418
419         ui = (PWKSTA_USER_INFO_1101) *bufptr;
420         ui->wkui1101_oth_domains = (LPWSTR)(ui + 1);
421
422         /* get data */
423         ui->wkui1101_oth_domains[0] = 0;
424         break;
425     }
426     default:
427         ERR("Invalid level %ld is specified\n", level);
428         return ERROR_INVALID_LEVEL;
429     }
430     return NERR_Success;
431 }
432
433 /************************************************************
434  *                NetpGetComputerName  (NETAPI32.@)
435  */
436 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
437 {
438     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
439
440     TRACE("(%p)\n", Buffer);
441     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
442     if (GetComputerNameW(*Buffer,  &dwSize))
443     {
444         NetApiBufferReallocate(
445             *Buffer, dwSize * sizeof(WCHAR),
446             (LPVOID *) Buffer);
447         return NERR_Success;
448     }
449     else
450     {
451         NetApiBufferFree(*Buffer);
452         return ERROR_NOT_ENOUGH_MEMORY;
453     }
454 }
455
456 NET_API_STATUS WINAPI NetWkstaGetInfo( LPWSTR servername, DWORD level,
457                                        LPBYTE* bufptr)
458 {
459     NET_API_STATUS ret;
460
461     TRACE("%p %ld %p\n", debugstr_w( servername ), level, bufptr );
462     if (servername)
463     {
464         FIXME("remote computers not supported\n");
465         return ERROR_INVALID_LEVEL;
466     }
467     if (!bufptr) return ERROR_INVALID_PARAMETER;
468
469     switch (level)
470     {
471         case 100:
472         {
473             DWORD computerNameLen, domainNameLen, size;
474             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
475             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
476             LSA_HANDLE PolicyHandle;
477             NTSTATUS NtStatus;
478            
479             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
480             GetComputerNameW(computerName, &computerNameLen);
481             computerNameLen++; /* include NULL terminator */
482
483             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
484             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
485              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
486             if (NtStatus != STATUS_SUCCESS)
487                 ret = LsaNtStatusToWinError(NtStatus);
488             else
489             {
490                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
491
492                 LsaQueryInformationPolicy(PolicyHandle,
493                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
494                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
495                 size = sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR)
496                  + domainNameLen * sizeof(WCHAR);
497                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
498                 if (ret == NERR_Success)
499                 {
500                     PWKSTA_INFO_100 info = (PWKSTA_INFO_100)*bufptr;
501                     OSVERSIONINFOW verInfo;
502
503                     info->wki100_platform_id = PLATFORM_ID_NT;
504                     info->wki100_computername = (LPWSTR)(*bufptr +
505                      sizeof(WKSTA_INFO_100));
506                     memcpy(info->wki100_computername, computerName,
507                      computerNameLen * sizeof(WCHAR));
508                     info->wki100_langroup = (LPWSTR)(*bufptr +
509                      sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR));
510                     memcpy(info->wki100_langroup, DomainInfo->DomainName.Buffer,
511                      domainNameLen * sizeof(WCHAR));
512                     memset(&verInfo, 0, sizeof(verInfo));
513                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
514                     GetVersionExW(&verInfo);
515                     info->wki100_ver_major = verInfo.dwMajorVersion;
516                     info->wki100_ver_minor = verInfo.dwMinorVersion;
517                 }
518                 LsaFreeMemory(DomainInfo);
519                 LsaClose(PolicyHandle);
520             }
521             break;
522         }
523
524         default:
525             FIXME("level %ld unimplemented\n", level);
526             ret = ERROR_INVALID_LEVEL;
527     }
528     return ret;
529 }