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 }