reactos/dll/win32/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 extroardinarily 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     TRACE("(%s, %d, %p)\n", debugstr_w(reserved), level, bufptr);
 312     switch (level)
 313     {
 314     case 0:
 315     {
 316         PWKSTA_USER_INFO_0 ui;
 317         DWORD dwSize = UNLEN + 1;
 318
 319         /* set up buffer */
 320         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
 321                              (LPVOID *) bufptr);
 322
 323         ui = (PWKSTA_USER_INFO_0) *bufptr;
 324         ui->wkui0_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
 325
 326         /* get data */
 327         if (!GetUserNameW(ui->wkui0_username, &dwSize))
 328         {
 329             NetApiBufferFree(ui);
 330             return ERROR_NOT_ENOUGH_MEMORY;
 331         }
 332         else
 333             NetApiBufferReallocate(
 334                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
 335                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
 336                 (LPVOID *) bufptr);
 337         break;
 338     }
 339
 340     case 1:
 341     {
 342         PWKSTA_USER_INFO_1 ui;
 343         PWKSTA_USER_INFO_0 ui0;
 344         DWORD dwSize;
 345         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 346         LSA_HANDLE PolicyHandle;
 347         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 348         NTSTATUS NtStatus;
 349
 350         /* sizes of the field buffers in WCHARS */
 351         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
 352
 353         FIXME("Level 1 processing is partially implemented\n");
 354         oth_domains_sz = 1;
 355         logon_server_sz = 1;
 356
 357         /* get some information first to estimate size of the buffer */
 358         ui0 = NULL;
 359         NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
 360         username_sz = lstrlenW(ui0->wkui0_username) + 1;
 361
 362         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 363         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 364                                  POLICY_VIEW_LOCAL_INFORMATION,
 365                                  &PolicyHandle);
 366         if (NtStatus != STATUS_SUCCESS)
 367         {
 368             TRACE("LsaOpenPolicyFailed with NT status %x\n",
 369                 LsaNtStatusToWinError(NtStatus));
 370             NetApiBufferFree(ui0);
 371             return ERROR_NOT_ENOUGH_MEMORY;
 372         }
 373         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
 374                                   (PVOID*) &DomainInfo);
 375         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 376         LsaClose(PolicyHandle);
 377
 378         /* set up buffer */
 379         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
 380                              (username_sz + logon_domain_sz +
 381                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
 382                              (LPVOID *) bufptr);
 383         ui = (WKSTA_USER_INFO_1 *) *bufptr;
 384         ui->wkui1_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
 385         ui->wkui1_logon_domain = (LMSTR) (
 386             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
 387         ui->wkui1_oth_domains = (LMSTR) (
 388             ((PBYTE) ui->wkui1_logon_domain) +
 389             logon_domain_sz * sizeof(WCHAR));
 390         ui->wkui1_logon_server = (LMSTR) (
 391             ((PBYTE) ui->wkui1_oth_domains) +
 392             oth_domains_sz * sizeof(WCHAR));
 393
 394         /* get data */
 395         dwSize = username_sz;
 396         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
 397         NetApiBufferFree(ui0);
 398
 399         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
 400                 logon_domain_sz);
 401         LsaFreeMemory(DomainInfo);
 402
 403         /* FIXME. Not implemented. Populated with empty strings */
 404         ui->wkui1_oth_domains[0] = 0;
 405         ui->wkui1_logon_server[0] = 0;
 406         break;
 407     }
 408     case 1101:
 409     {
 410         PWKSTA_USER_INFO_1101 ui;
 411         DWORD dwSize = 1;
 412
 413         FIXME("Stub. Level 1101 processing is not implemented\n");
 414         /* FIXME see also wkui1_oth_domains for level 1 */
 415
 416         /* set up buffer */
 417         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
 418                              (LPVOID *) bufptr);
 419
 420         ui = (PWKSTA_USER_INFO_1101) *bufptr;
 421         ui->wkui1101_oth_domains = (LMSTR)(ui + 1);
 422
 423         /* get data */
 424         ui->wkui1101_oth_domains[0] = 0;
 425         break;
 426     }
 427     default:
 428         TRACE("Invalid level %d is specified\n", level);
 429         return ERROR_INVALID_LEVEL;
 430     }
 431     return NERR_Success;
 432 }
 433
 434 /************************************************************
 435  *                NetpGetComputerName  (NETAPI32.@)
 436  */
 437 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
 438 {
 439     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
 440
 441     TRACE("(%p)\n", Buffer);
 442     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
 443     if (GetComputerNameW(*Buffer,  &dwSize))
 444     {
 445         NetApiBufferReallocate(
 446             *Buffer, (dwSize + 1) * sizeof(WCHAR),
 447             (LPVOID *) Buffer);
 448         return NERR_Success;
 449     }
 450     else
 451     {
 452         NetApiBufferFree(*Buffer);
 453         return ERROR_NOT_ENOUGH_MEMORY;
 454     }
 455 }
 456
 457 NET_API_STATUS WINAPI I_NetNameCompare(LPVOID p1, LPWSTR wkgrp, LPWSTR comp,
 458  LPVOID p4, LPVOID p5)
 459 {
 460     FIXME("(%p %s %s %p %p): stub\n", p1, debugstr_w(wkgrp), debugstr_w(comp),
 461      p4, p5);
 462     return ERROR_INVALID_PARAMETER;
 463 }
 464
 465 NET_API_STATUS WINAPI I_NetNameValidate(LPVOID p1, LPWSTR wkgrp, LPVOID p3,
 466  LPVOID p4)
 467 {
 468     FIXME("(%p %s %p %p): stub\n", p1, debugstr_w(wkgrp), p3, p4);
 469     return ERROR_INVALID_PARAMETER;
 470 }
 471
 472 NET_API_STATUS WINAPI NetWkstaGetInfo( LMSTR servername, DWORD level,
 473                                        LPBYTE* bufptr)
 474 {
 475     NET_API_STATUS ret;
 476
 477     TRACE("%s %d %p\n", debugstr_w( servername ), level, bufptr );
 478     if (servername)
 479     {
 480         if (!NETAPI_IsLocalComputer(servername))
 481         {
 482             FIXME("remote computers not supported\n");
 483             return ERROR_INVALID_LEVEL;
 484         }
 485     }
 486     if (!bufptr) return ERROR_INVALID_PARAMETER;
 487
 488     switch (level)
 489     {
 490         case 100:
 491         case 101:
 492         case 102:
 493         {
 494             static const WCHAR lanroot[] = {'c',':','\\','l','a','n','m','a','n',0};  /* FIXME */
 495             DWORD computerNameLen, domainNameLen, size;
 496             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
 497             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 498             LSA_HANDLE PolicyHandle;
 499             NTSTATUS NtStatus;
 500
 501             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
 502             GetComputerNameW(computerName, &computerNameLen);
 503             computerNameLen++; /* include NULL terminator */
 504
 505             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 506             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 507              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
 508             if (NtStatus != STATUS_SUCCESS)
 509                 ret = LsaNtStatusToWinError(NtStatus);
 510             else
 511             {
 512                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 513
 514                 LsaQueryInformationPolicy(PolicyHandle,
 515                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
 516                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 517                 size = sizeof(WKSTA_INFO_102) + computerNameLen * sizeof(WCHAR)
 518                     + domainNameLen * sizeof(WCHAR) + sizeof(lanroot);
 519                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
 520                 if (ret == NERR_Success)
 521                 {
 522                     /* INFO_100 and INFO_101 structures are subsets of INFO_102 */
 523                     PWKSTA_INFO_102 info = (PWKSTA_INFO_102)*bufptr;
 524                     OSVERSIONINFOW verInfo;
 525
 526                     info->wki102_platform_id = PLATFORM_ID_NT;
 527                     info->wki102_computername = (LMSTR)(*bufptr +
 528                      sizeof(WKSTA_INFO_102));
 529                     memcpy(info->wki102_computername, computerName,
 530                      computerNameLen * sizeof(WCHAR));
 531                     info->wki102_langroup = info->wki102_computername + computerNameLen;
 532                     memcpy(info->wki102_langroup, DomainInfo->DomainName.Buffer,
 533                      domainNameLen * sizeof(WCHAR));
 534                     info->wki102_lanroot = info->wki102_langroup + domainNameLen;
 535                     memcpy(info->wki102_lanroot, lanroot, sizeof(lanroot));
 536                     memset(&verInfo, 0, sizeof(verInfo));
 537                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
 538                     GetVersionExW(&verInfo);
 539                     info->wki102_ver_major = verInfo.dwMajorVersion;
 540                     info->wki102_ver_minor = verInfo.dwMinorVersion;
 541                     info->wki102_logged_on_users = 1;
 542                 }
 543                 LsaFreeMemory(DomainInfo);
 544                 LsaClose(PolicyHandle);
 545             }
 546             break;
 547         }
 548
 549         default:
 550             FIXME("level %d unimplemented\n", level);
 551             ret = ERROR_INVALID_LEVEL;
 552     }
 553     return ret;
 554 }
 555
 556 /************************************************************
 557  *                NetGetJoinInformation (NETAPI32.@)
 558  */
 559 NET_API_STATUS NET_API_FUNCTION NetGetJoinInformation(
 560     LPCWSTR Server,
 561     LPWSTR *Name,
 562     PNETSETUP_JOIN_STATUS type)
 563 {
 564     FIXME("Stub %s %p %p\n", wine_dbgstr_w(Server), Name, type);
 565
 566     *Name = NULL;
 567     *type = NetSetupUnknownStatus;
 568
 569     return NERR_Success;
 570 }