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 struct WkstaTransportEnumData
 141 {
 142     UCHAR          n_adapt;
 143     UCHAR          n_read;
 144     DWORD          prefmaxlen;
 145     LPBYTE        *pbuf;
 146     NET_API_STATUS ret;
 147 };
 148
 149 static BOOL WkstaEnumAdaptersCallback(UCHAR totalLANAs, UCHAR lanaIndex,
 150  ULONG transport, const NetBIOSAdapterImpl *data, void *closure)
 151 {
 152     BOOL ret;
 153     struct WkstaTransportEnumData *enumData = (struct WkstaTransportEnumData *)
 154      closure;
 155
 156     if (enumData && enumData->pbuf)
 157     {
 158         if (lanaIndex == 0)
 159         {
 160             DWORD toAllocate;
 161
 162             enumData->n_adapt = totalLANAs;
 163             enumData->n_read = 0;
 164
 165             toAllocate = totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0)
 166              + MAX_TRANSPORT_NAME * sizeof(WCHAR) +
 167              MAX_TRANSPORT_ADDR * sizeof(WCHAR));
 168             if (enumData->prefmaxlen != MAX_PREFERRED_LENGTH)
 169                 toAllocate = enumData->prefmaxlen;
 170             NetApiBufferAllocate(toAllocate, (LPVOID *)enumData->pbuf);
 171         }
 172         if (*(enumData->pbuf))
 173         {
 174             UCHAR spaceFor;
 175
 176             if (enumData->prefmaxlen == MAX_PREFERRED_LENGTH)
 177                 spaceFor = totalLANAs;
 178             else
 179                 spaceFor = enumData->prefmaxlen /
 180                  (sizeof(WKSTA_TRANSPORT_INFO_0) + (MAX_TRANSPORT_NAME +
 181                  MAX_TRANSPORT_ADDR) * sizeof(WCHAR));
 182             if (enumData->n_read < spaceFor)
 183             {
 184                 PWKSTA_TRANSPORT_INFO_0 ti;
 185                 LPWSTR transport_name, transport_addr;
 186                 MIB_IFROW ifRow;
 187
 188                 ti = (PWKSTA_TRANSPORT_INFO_0)(*(enumData->pbuf) +
 189                  enumData->n_read * sizeof(WKSTA_TRANSPORT_INFO_0));
 190                 transport_name = (LPWSTR)(*(enumData->pbuf) +
 191                  totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
 192                  enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
 193                 transport_addr = (LPWSTR)(*(enumData->pbuf) +
 194                  totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0) +
 195                  MAX_TRANSPORT_NAME * sizeof(WCHAR)) +
 196                  enumData->n_read * MAX_TRANSPORT_ADDR * sizeof(WCHAR));
 197
 198                 ifRow.dwIndex = data->ifIndex;
 199                 GetIfEntry(&ifRow);
 200                 ti->wkti0_quality_of_service = 0;
 201                 ti->wkti0_number_of_vcs = 0;
 202                 ti->wkti0_transport_name = transport_name;
 203                 wprint_name(ti->wkti0_transport_name, MAX_TRANSPORT_NAME,
 204                  transport, &ifRow);
 205                 ti->wkti0_transport_address = transport_addr;
 206                 wprint_mac(ti->wkti0_transport_address, MAX_TRANSPORT_ADDR,
 207                  &ifRow);
 208                 if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
 209                     ti->wkti0_wan_ish = TRUE;
 210                 else
 211                     ti->wkti0_wan_ish = FALSE;
 212                 TRACE("%d of %d:ti at %p\n", lanaIndex, totalLANAs, ti);
 213                 TRACE("transport_name at %p %s\n",
 214                  ti->wkti0_transport_name,
 215                  debugstr_w(ti->wkti0_transport_name));
 216                 TRACE("transport_address at %p %s\n",
 217                  ti->wkti0_transport_address,
 218                  debugstr_w(ti->wkti0_transport_address));
 219                 enumData->n_read++;
 220                 enumData->ret = NERR_Success;
 221                 ret = TRUE;
 222             }
 223             else
 224             {
 225                 enumData->ret = ERROR_MORE_DATA;
 226                 ret = FALSE;
 227             }
 228         }
 229         else
 230         {
 231             enumData->ret = ERROR_OUTOFMEMORY;
 232             ret = FALSE;
 233         }
 234     }
 235     else
 236         ret = FALSE;
 237     return ret;
 238 }
 239
 240 NET_API_STATUS WINAPI
 241 NetWkstaTransportEnum(LPWSTR ServerName, DWORD level, PBYTE* pbuf,
 242       DWORD prefmaxlen, LPDWORD read_entries,
 243       PDWORD total_entries, PDWORD hresume)
 244 {
 245     NET_API_STATUS ret;
 246
 247     TRACE(":%s, 0x%08lx, %p, 0x%08lx, %p, %p, %p\n", debugstr_w(ServerName),
 248      level, pbuf, prefmaxlen, read_entries, total_entries,hresume);
 249     if (!NETAPI_IsLocalComputer(ServerName))
 250     {
 251         FIXME(":not implemented for non-local computers\n");
 252         ret = ERROR_INVALID_LEVEL;
 253     }
 254     else
 255     {
 256         if (hresume && *hresume)
 257         {
 258           FIXME(":resume handle not implemented\n");
 259           return ERROR_INVALID_LEVEL;
 260         }
 261
 262         switch (level)
 263         {
 264             case 0: /* transport info */
 265             {
 266                 ULONG allTransports;
 267                 struct WkstaTransportEnumData enumData;
 268
 269                 if (NetBIOSNumAdapters() == 0)
 270                   return ERROR_NETWORK_UNREACHABLE;
 271                 if (!read_entries)
 272                   return STATUS_ACCESS_VIOLATION;
 273                 if (!total_entries || !pbuf)
 274                   return RPC_X_NULL_REF_POINTER;
 275
 276                 enumData.prefmaxlen = prefmaxlen;
 277                 enumData.pbuf = pbuf;
 278                 memcpy(&allTransports, ALL_TRANSPORTS, sizeof(ULONG));
 279                 NetBIOSEnumAdapters(allTransports, WkstaEnumAdaptersCallback,
 280                  &enumData);
 281                 *read_entries = enumData.n_read;
 282                 *total_entries = enumData.n_adapt;
 283                 if (hresume) *hresume= 0;
 284                 ret = enumData.ret;
 285                 break;
 286             }
 287             default:
 288                 ERR("Invalid level %ld is specified\n", level);
 289                 ret = ERROR_INVALID_LEVEL;
 290         }
 291     }
 292     return ret;
 293 }
 294
 295
 296 /************************************************************
 297  *                NetWkstaUserGetInfo  (NETAPI32.@)
 298  */
 299 NET_API_STATUS WINAPI NetWkstaUserGetInfo(LPWSTR reserved, DWORD level,
 300                                           PBYTE* bufptr)
 301 {
 302     TRACE("(%s, %ld, %p)\n", debugstr_w(reserved), level, bufptr);
 303     switch (level)
 304     {
 305     case 0:
 306     {
 307         PWKSTA_USER_INFO_0 ui;
 308         DWORD dwSize = UNLEN + 1;
 309
 310         /* set up buffer */
 311         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
 312                              (LPVOID *) bufptr);
 313
 314         ui = (PWKSTA_USER_INFO_0) *bufptr;
 315         ui->wkui0_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
 316
 317         /* get data */
 318         if (!GetUserNameW(ui->wkui0_username, &dwSize))
 319         {
 320             NetApiBufferFree(ui);
 321             return ERROR_NOT_ENOUGH_MEMORY;
 322         }
 323         else
 324             NetApiBufferReallocate(
 325                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
 326                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
 327                 (LPVOID *) bufptr);
 328         break;
 329     }
 330
 331     case 1:
 332     {
 333         PWKSTA_USER_INFO_1 ui;
 334         PWKSTA_USER_INFO_0 ui0;
 335         DWORD dwSize;
 336         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 337         LSA_HANDLE PolicyHandle;
 338         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 339         NTSTATUS NtStatus;
 340
 341         /* sizes of the field buffers in WCHARS */
 342         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
 343
 344         FIXME("Level 1 processing is partially implemented\n");
 345         oth_domains_sz = 1;
 346         logon_server_sz = 1;
 347
 348         /* get some information first to estimate size of the buffer */
 349         ui0 = NULL;
 350         NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
 351         username_sz = lstrlenW(ui0->wkui0_username) + 1;
 352
 353         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 354         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 355                                  POLICY_VIEW_LOCAL_INFORMATION,
 356                                  &PolicyHandle);
 357         if (NtStatus != STATUS_SUCCESS)
 358         {
 359             ERR("LsaOpenPolicyFailed with NT status %lx\n",
 360                 LsaNtStatusToWinError(NtStatus));
 361             NetApiBufferFree(ui0);
 362             return ERROR_NOT_ENOUGH_MEMORY;
 363         }
 364         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
 365                                   (PVOID*) &DomainInfo);
 366         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 367         LsaClose(PolicyHandle);
 368
 369         /* set up buffer */
 370         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
 371                              (username_sz + logon_domain_sz +
 372                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
 373                              (LPVOID *) bufptr);
 374         ui = (WKSTA_USER_INFO_1 *) *bufptr;
 375         ui->wkui1_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
 376         ui->wkui1_logon_domain = (LPWSTR) (
 377             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
 378         ui->wkui1_oth_domains = (LPWSTR) (
 379             ((PBYTE) ui->wkui1_logon_domain) +
 380             logon_domain_sz * sizeof(WCHAR));
 381         ui->wkui1_logon_server = (LPWSTR) (
 382             ((PBYTE) ui->wkui1_oth_domains) +
 383             oth_domains_sz * sizeof(WCHAR));
 384
 385         /* get data */
 386         dwSize = username_sz;
 387         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
 388         NetApiBufferFree(ui0);
 389
 390         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
 391                 logon_domain_sz);
 392         LsaFreeMemory(DomainInfo);
 393
 394         /* FIXME. Not implemented. Populated with empty strings */
 395         ui->wkui1_oth_domains[0] = 0;
 396         ui->wkui1_logon_server[0] = 0;
 397         break;
 398     }
 399     case 1101:
 400     {
 401         PWKSTA_USER_INFO_1101 ui;
 402         DWORD dwSize = 1;
 403
 404         FIXME("Stub. Level 1101 processing is not implemented\n");
 405         /* FIXME see also wkui1_oth_domains for level 1 */
 406
 407         /* set up buffer */
 408         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
 409                              (LPVOID *) bufptr);
 410
 411         ui = (PWKSTA_USER_INFO_1101) *bufptr;
 412         ui->wkui1101_oth_domains = (LPWSTR)(ui + 1);
 413
 414         /* get data */
 415         ui->wkui1101_oth_domains[0] = 0;
 416         break;
 417     }
 418     default:
 419         ERR("Invalid level %ld is specified\n", level);
 420         return ERROR_INVALID_LEVEL;
 421     }
 422     return NERR_Success;
 423 }
 424
 425 /************************************************************
 426  *                NetpGetComputerName  (NETAPI32.@)
 427  */
 428 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
 429 {
 430     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
 431
 432     TRACE("(%p)\n", Buffer);
 433     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
 434     if (GetComputerNameW(*Buffer,  &dwSize))
 435     {
 436         NetApiBufferReallocate(
 437             *Buffer, dwSize * sizeof(WCHAR),
 438             (LPVOID *) Buffer);
 439         return NERR_Success;
 440     }
 441     else
 442     {
 443         NetApiBufferFree(*Buffer);
 444         return ERROR_NOT_ENOUGH_MEMORY;
 445     }
 446 }
 447
 448 NET_API_STATUS WINAPI NetWkstaGetInfo( LPWSTR servername, DWORD level,
 449                                        LPBYTE* bufptr)
 450 {
 451     NET_API_STATUS ret;
 452
 453     TRACE("%p %ld %p\n", debugstr_w( servername ), level, bufptr );
 454     if (servername)
 455     {
 456         FIXME("remote computers not supported\n");
 457         return ERROR_INVALID_LEVEL;
 458     }
 459     if (!bufptr) return ERROR_INVALID_PARAMETER;
 460
 461     switch (level)
 462     {
 463         case 100:
 464         {
 465             DWORD computerNameLen, domainNameLen, size;
 466             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
 467             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 468             LSA_HANDLE PolicyHandle;
 469             NTSTATUS NtStatus;
 470
 471             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
 472             GetComputerNameW(computerName, &computerNameLen);
 473             computerNameLen++; /* include NULL terminator */
 474
 475             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 476             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 477              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
 478             if (NtStatus != STATUS_SUCCESS)
 479                 ret = LsaNtStatusToWinError(NtStatus);
 480             else
 481             {
 482                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 483
 484                 LsaQueryInformationPolicy(PolicyHandle,
 485                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
 486                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 487                 size = sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR)
 488                  + domainNameLen * sizeof(WCHAR);
 489                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
 490                 if (ret == NERR_Success)
 491                 {
 492                     PWKSTA_INFO_100 info = (PWKSTA_INFO_100)*bufptr;
 493                     OSVERSIONINFOW verInfo;
 494
 495                     info->wki100_platform_id = PLATFORM_ID_NT;
 496                     info->wki100_computername = (LPWSTR)(*bufptr +
 497                      sizeof(WKSTA_INFO_100));
 498                     memcpy(info->wki100_computername, computerName,
 499                      computerNameLen * sizeof(WCHAR));
 500                     info->wki100_langroup = (LPWSTR)(*bufptr +
 501                      sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR));
 502                     memcpy(info->wki100_langroup, DomainInfo->DomainName.Buffer,
 503                      domainNameLen * sizeof(WCHAR));
 504                     memset(&verInfo, 0, sizeof(verInfo));
 505                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
 506                     GetVersionExW(&verInfo);
 507                     info->wki100_ver_major = verInfo.dwMajorVersion;
 508                     info->wki100_ver_minor = verInfo.dwMinorVersion;
 509                 }
 510                 LsaFreeMemory(DomainInfo);
 511                 LsaClose(PolicyHandle);
 512             }
 513             break;
 514         }
 515
 516         default:
 517             FIXME("level %ld unimplemented\n", level);
 518             ret = ERROR_INVALID_LEVEL;
 519     }
 520     return ret;
 521 }