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 "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 "winreg.h"
  39 #include "winternl.h"
  40 #include "ntsecapi.h"
  41 #include "netbios.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
  45
  46 /************************************************************
  47  *                NETAPI_IsLocalComputer
  48  *
  49  * Checks whether the server name indicates local machine.
  50  */
  51 BOOL NETAPI_IsLocalComputer(LPCWSTR ServerName)
  52 {
  53     if (!ServerName)
  54     {
  55         return TRUE;
  56     }
  57     else if (ServerName[0] == '\0')
  58         return TRUE;
  59     else
  60     {
  61         DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
  62         BOOL Result;
  63         LPWSTR buf;
  64
  65         NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) &buf);
  66         Result = GetComputerNameW(buf,  &dwSize);
  67         if (Result && (ServerName[0] == '\\') && (ServerName[1] == '\\'))
  68             ServerName += 2;
  69         Result = Result && !lstrcmpW(ServerName, buf);
  70         NetApiBufferFree(buf);
  71
  72         return Result;
  73     }
  74 }
  75
  76 static void wprint_mac(WCHAR* buffer, int len, PMIB_IFROW ifRow)
  77 {
  78     int i;
  79     unsigned char val;
  80
  81     if (!buffer)
  82         return;
  83     if (len < 1)
  84         return;
  85     if (!ifRow)
  86     {
  87         *buffer = '\0';
  88         return;
  89     }
  90
  91     for (i = 0; i < ifRow->dwPhysAddrLen && 2 * i < len; i++)
  92     {
  93         val = ifRow->bPhysAddr[i];
  94         if ((val >>4) >9)
  95             buffer[2*i] = (WCHAR)((val >>4) + 'A' - 10);
  96         else
  97             buffer[2*i] = (WCHAR)((val >>4) + '0');
  98         if ((val & 0xf ) >9)
  99             buffer[2*i+1] = (WCHAR)((val & 0xf) + 'A' - 10);
 100         else
 101             buffer[2*i+1] = (WCHAR)((val & 0xf) + '0');
 102     }
 103     buffer[2*i]=(WCHAR)0;
 104 }
 105
 106 /* Theoretically this could be too short, except that MS defines
 107  * MAX_ADAPTER_NAME as 128, and MAX_INTERFACE_NAME_LEN as 256, and both
 108  * represent a count of WCHARs, so even with an extroardinarily long header
 109  * this will be plenty
 110  */
 111 #define MAX_TRANSPORT_NAME MAX_INTERFACE_NAME_LEN
 112 #define MAX_TRANSPORT_ADDR 13
 113
 114 #define NBT_TRANSPORT_NAME_HEADER "\\Device\\NetBT_Tcpip_"
 115 #define UNKNOWN_TRANSPORT_NAME_HEADER "\\Device\\UnknownTransport_"
 116
 117 static void wprint_name(WCHAR *buffer, int len, ULONG transport,
 118  PMIB_IFROW ifRow)
 119 {
 120     WCHAR *ptr1, *ptr2;
 121     const char *name;
 122
 123     if (!buffer)
 124         return;
 125     if (!ifRow)
 126     {
 127         *buffer = '\0';
 128         return;
 129     }
 130
 131     if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
 132         name = NBT_TRANSPORT_NAME_HEADER;
 133     else
 134         name = UNKNOWN_TRANSPORT_NAME_HEADER;
 135
 136     for (ptr1 = buffer; *name && ptr1 < buffer + len; ptr1++, name++)
 137         *ptr1 = *name;
 138     for (ptr2 = ifRow->wszName; *ptr2 && ptr1 < buffer + len; ptr1++, ptr2++)
 139         *ptr1 = *ptr2;
 140     *ptr1 = '\0';
 141 }
 142
 143 /***********************************************************************
 144  *                NetWkstaTransportEnum  (NETAPI32.@)
 145  */
 146
 147 struct WkstaTransportEnumData
 148 {
 149     UCHAR          n_adapt;
 150     UCHAR          n_read;
 151     DWORD          prefmaxlen;
 152     LPBYTE        *pbuf;
 153     NET_API_STATUS ret;
 154 };
 155
 156 /**********************************************************************/
 157
 158 static BOOL WkstaEnumAdaptersCallback(UCHAR totalLANAs, UCHAR lanaIndex,
 159  ULONG transport, const NetBIOSAdapterImpl *data, void *closure)
 160 {
 161     BOOL ret;
 162     struct WkstaTransportEnumData *enumData = (struct WkstaTransportEnumData *)
 163      closure;
 164
 165     if (enumData && enumData->pbuf)
 166     {
 167         if (lanaIndex == 0)
 168         {
 169             DWORD toAllocate;
 170
 171             enumData->n_adapt = totalLANAs;
 172             enumData->n_read = 0;
 173
 174             toAllocate = totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0)
 175              + MAX_TRANSPORT_NAME * sizeof(WCHAR) +
 176              MAX_TRANSPORT_ADDR * sizeof(WCHAR));
 177             if (enumData->prefmaxlen != MAX_PREFERRED_LENGTH)
 178                 toAllocate = enumData->prefmaxlen;
 179             NetApiBufferAllocate(toAllocate, (LPVOID *)enumData->pbuf);
 180         }
 181         if (*(enumData->pbuf))
 182         {
 183             UCHAR spaceFor;
 184
 185             if (enumData->prefmaxlen == MAX_PREFERRED_LENGTH)
 186                 spaceFor = totalLANAs;
 187             else
 188                 spaceFor = enumData->prefmaxlen /
 189                  (sizeof(WKSTA_TRANSPORT_INFO_0) + (MAX_TRANSPORT_NAME +
 190                  MAX_TRANSPORT_ADDR) * sizeof(WCHAR));
 191             if (enumData->n_read < spaceFor)
 192             {
 193                 PWKSTA_TRANSPORT_INFO_0 ti;
 194                 LPWSTR transport_name, transport_addr;
 195                 MIB_IFROW ifRow;
 196
 197                 ti = (PWKSTA_TRANSPORT_INFO_0)(*(enumData->pbuf) +
 198                  enumData->n_read * sizeof(WKSTA_TRANSPORT_INFO_0));
 199                 transport_name = (LPWSTR)(*(enumData->pbuf) +
 200                  totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
 201                  enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
 202                 transport_addr = (LPWSTR)(*(enumData->pbuf) +
 203                  totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0) +
 204                  MAX_TRANSPORT_NAME * sizeof(WCHAR)) +
 205                  enumData->n_read * MAX_TRANSPORT_ADDR * sizeof(WCHAR));
 206
 207                 ifRow.dwIndex = data->ifIndex;
 208                 GetIfEntry(&ifRow);
 209                 ti->wkti0_quality_of_service = 0;
 210                 ti->wkti0_number_of_vcs = 0;
 211                 ti->wkti0_transport_name = transport_name;
 212                 wprint_name(ti->wkti0_transport_name, MAX_TRANSPORT_NAME,
 213                  transport, &ifRow);
 214                 ti->wkti0_transport_address = transport_addr;
 215                 wprint_mac(ti->wkti0_transport_address, MAX_TRANSPORT_ADDR,
 216                  &ifRow);
 217                 if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
 218                     ti->wkti0_wan_ish = TRUE;
 219                 else
 220                     ti->wkti0_wan_ish = FALSE;
 221                 TRACE("%d of %d:ti at %p\n", lanaIndex, totalLANAs, ti);
 222                 TRACE("transport_name at %p %s\n",
 223                  ti->wkti0_transport_name,
 224                  debugstr_w(ti->wkti0_transport_name));
 225                 TRACE("transport_address at %p %s\n",
 226                  ti->wkti0_transport_address,
 227                  debugstr_w(ti->wkti0_transport_address));
 228                 enumData->n_read++;
 229                 enumData->ret = NERR_Success;
 230                 ret = TRUE;
 231             }
 232             else
 233             {
 234                 enumData->ret = ERROR_MORE_DATA;
 235                 ret = FALSE;
 236             }
 237         }
 238         else
 239         {
 240             enumData->ret = ERROR_OUTOFMEMORY;
 241             ret = FALSE;
 242         }
 243     }
 244     else
 245         ret = FALSE;
 246     return ret;
 247 }
 248
 249 /**********************************************************************/
 250
 251 NET_API_STATUS WINAPI
 252 NetWkstaTransportEnum(LPWSTR ServerName, DWORD level, PBYTE* pbuf,
 253       DWORD prefmaxlen, LPDWORD read_entries,
 254       PDWORD total_entries, PDWORD hresume)
 255 {
 256     NET_API_STATUS ret;
 257
 258     TRACE(":%s, 0x%08lx, %p, 0x%08lx, %p, %p, %p\n", debugstr_w(ServerName),
 259      level, pbuf, prefmaxlen, read_entries, total_entries,hresume);
 260     if (!NETAPI_IsLocalComputer(ServerName))
 261     {
 262         FIXME(":not implemented for non-local computers\n");
 263         ret = ERROR_INVALID_LEVEL;
 264     }
 265     else
 266     {
 267         if (hresume && *hresume)
 268         {
 269           FIXME(":resume handle not implemented\n");
 270           return ERROR_INVALID_LEVEL;
 271         }
 272
 273         switch (level)
 274         {
 275             case 0: /* transport info */
 276             {
 277                 ULONG allTransports;
 278                 struct WkstaTransportEnumData enumData;
 279
 280                 if (NetBIOSNumAdapters() == 0)
 281                   return ERROR_NETWORK_UNREACHABLE;
 282                 if (!read_entries)
 283                   return STATUS_ACCESS_VIOLATION;
 284                 if (!total_entries || !pbuf)
 285                   return RPC_X_NULL_REF_POINTER;
 286
 287                 enumData.prefmaxlen = prefmaxlen;
 288                 enumData.pbuf = pbuf;
 289                 memcpy(&allTransports, ALL_TRANSPORTS, sizeof(ULONG));
 290                 NetBIOSEnumAdapters(allTransports, WkstaEnumAdaptersCallback,
 291                  &enumData);
 292                 *read_entries = enumData.n_read;
 293                 *total_entries = enumData.n_adapt;
 294                 if (hresume) *hresume= 0;
 295                 ret = enumData.ret;
 296                 break;
 297             }
 298             default:
 299                 ERR("Invalid level %ld is specified\n", level);
 300                 ret = ERROR_INVALID_LEVEL;
 301         }
 302     }
 303     return ret;
 304 }
 305
 306
 307 /************************************************************
 308  *                NetWkstaUserGetInfo  (NETAPI32.@)
 309  */
 310 NET_API_STATUS WINAPI NetWkstaUserGetInfo(LPWSTR reserved, DWORD level,
 311                                           PBYTE* bufptr)
 312 {
 313     TRACE("(%s, %ld, %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         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
 323                              (LPVOID *) bufptr);
 324
 325         ui = (PWKSTA_USER_INFO_0) *bufptr;
 326         ui->wkui0_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
 327
 328         /* get data */
 329         if (!GetUserNameW(ui->wkui0_username, &dwSize))
 330         {
 331             NetApiBufferFree(ui);
 332             return ERROR_NOT_ENOUGH_MEMORY;
 333         }
 334         else
 335             NetApiBufferReallocate(
 336                 *bufptr, sizeof(WKSTA_USER_INFO_0) +
 337                 (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
 338                 (LPVOID *) bufptr);
 339         break;
 340     }
 341
 342     case 1:
 343     {
 344         PWKSTA_USER_INFO_1 ui;
 345         PWKSTA_USER_INFO_0 ui0;
 346         DWORD dwSize;
 347         LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 348         LSA_HANDLE PolicyHandle;
 349         PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 350         NTSTATUS NtStatus;
 351
 352         /* sizes of the field buffers in WCHARS */
 353         int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;
 354
 355         FIXME("Level 1 processing is partially implemented\n");
 356         oth_domains_sz = 1;
 357         logon_server_sz = 1;
 358
 359         /* get some information first to estimate size of the buffer */
 360         ui0 = NULL;
 361         NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
 362         username_sz = lstrlenW(ui0->wkui0_username) + 1;
 363
 364         ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 365         NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 366                                  POLICY_VIEW_LOCAL_INFORMATION,
 367                                  &PolicyHandle);
 368         if (NtStatus != STATUS_SUCCESS)
 369         {
 370             ERR("LsaOpenPolicyFailed with NT status %lx\n",
 371                 LsaNtStatusToWinError(NtStatus));
 372             NetApiBufferFree(ui0);
 373             return ERROR_NOT_ENOUGH_MEMORY;
 374         }
 375         LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
 376                                   (PVOID*) &DomainInfo);
 377         logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 378         LsaClose(PolicyHandle);
 379
 380         /* set up buffer */
 381         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
 382                              (username_sz + logon_domain_sz +
 383                               oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
 384                              (LPVOID *) bufptr);
 385         ui = (WKSTA_USER_INFO_1 *) *bufptr;
 386         ui->wkui1_username = (LPWSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
 387         ui->wkui1_logon_domain = (LPWSTR) (
 388             ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
 389         ui->wkui1_oth_domains = (LPWSTR) (
 390             ((PBYTE) ui->wkui1_logon_domain) +
 391             logon_domain_sz * sizeof(WCHAR));
 392         ui->wkui1_logon_server = (LPWSTR) (
 393             ((PBYTE) ui->wkui1_oth_domains) +
 394             oth_domains_sz * sizeof(WCHAR));
 395
 396         /* get data */
 397         dwSize = username_sz;
 398         lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
 399         NetApiBufferFree(ui0);
 400
 401         lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
 402                 logon_domain_sz);
 403         LsaFreeMemory(DomainInfo);
 404
 405         /* FIXME. Not implemented. Populated with empty strings */
 406         ui->wkui1_oth_domains[0] = 0;
 407         ui->wkui1_logon_server[0] = 0;
 408         break;
 409     }
 410     case 1101:
 411     {
 412         PWKSTA_USER_INFO_1101 ui;
 413         DWORD dwSize = 1;
 414
 415         FIXME("Stub. Level 1101 processing is not implemented\n");
 416         /* FIXME see also wkui1_oth_domains for level 1 */
 417
 418         /* set up buffer */
 419         NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
 420                              (LPVOID *) bufptr);
 421
 422         ui = (PWKSTA_USER_INFO_1101) *bufptr;
 423         ui->wkui1101_oth_domains = (LPWSTR)(ui + 1);
 424
 425         /* get data */
 426         ui->wkui1101_oth_domains[0] = 0;
 427         break;
 428     }
 429     default:
 430         ERR("Invalid level %ld is specified\n", level);
 431         return ERROR_INVALID_LEVEL;
 432     }
 433     return NERR_Success;
 434 }
 435
 436 /************************************************************
 437  *                NetpGetComputerName  (NETAPI32.@)
 438  */
 439 NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
 440 {
 441     DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
 442
 443     TRACE("(%p)\n", Buffer);
 444     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
 445     if (GetComputerNameW(*Buffer,  &dwSize))
 446     {
 447         NetApiBufferReallocate(
 448             *Buffer, dwSize * sizeof(WCHAR),
 449             (LPVOID *) Buffer);
 450         return NERR_Success;
 451     }
 452     else
 453     {
 454         NetApiBufferFree(*Buffer);
 455         return ERROR_NOT_ENOUGH_MEMORY;
 456     }
 457 }
 458
 459 NET_API_STATUS WINAPI I_NetNameCompare(LPVOID p1, LPWSTR wkgrp, LPWSTR comp,
 460  LPVOID p4, LPVOID p5)
 461 {
 462     FIXME("(%p %s %s %p %p): stub\n", p1, debugstr_w(wkgrp), debugstr_w(comp),
 463      p4, p5);
 464     return ERROR_INVALID_PARAMETER;
 465 }
 466
 467 NET_API_STATUS WINAPI I_NetNameValidate(LPVOID p1, LPWSTR wkgrp, LPVOID p3,
 468  LPVOID p4)
 469 {
 470     FIXME("(%p %s %p %p): stub\n", p1, debugstr_w(wkgrp), p3, p4);
 471     return ERROR_INVALID_PARAMETER;
 472 }
 473
 474 NET_API_STATUS WINAPI NetWkstaGetInfo( LPWSTR servername, DWORD level,
 475                                        LPBYTE* bufptr)
 476 {
 477     NET_API_STATUS ret;
 478
 479     TRACE("%s %ld %p\n", debugstr_w( servername ), level, bufptr );
 480     if (servername)
 481     {
 482         if (!NETAPI_IsLocalComputer(servername))
 483         {
 484             FIXME("remote computers not supported\n");
 485             return ERROR_INVALID_LEVEL;
 486         }
 487     }
 488     if (!bufptr) return ERROR_INVALID_PARAMETER;
 489
 490     switch (level)
 491     {
 492         case 100:
 493         {
 494             DWORD computerNameLen, domainNameLen, size;
 495             WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
 496             LSA_OBJECT_ATTRIBUTES ObjectAttributes;
 497             LSA_HANDLE PolicyHandle;
 498             NTSTATUS NtStatus;
 499
 500             computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
 501             GetComputerNameW(computerName, &computerNameLen);
 502             computerNameLen++; /* include NULL terminator */
 503
 504             ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
 505             NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
 506              POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
 507             if (NtStatus != STATUS_SUCCESS)
 508                 ret = LsaNtStatusToWinError(NtStatus);
 509             else
 510             {
 511                 PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
 512
 513                 LsaQueryInformationPolicy(PolicyHandle,
 514                  PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
 515                 domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
 516                 size = sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR)
 517                  + domainNameLen * sizeof(WCHAR);
 518                 ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
 519                 if (ret == NERR_Success)
 520                 {
 521                     PWKSTA_INFO_100 info = (PWKSTA_INFO_100)*bufptr;
 522                     OSVERSIONINFOW verInfo;
 523
 524                     info->wki100_platform_id = PLATFORM_ID_NT;
 525                     info->wki100_computername = (LPWSTR)(*bufptr +
 526                      sizeof(WKSTA_INFO_100));
 527                     memcpy(info->wki100_computername, computerName,
 528                      computerNameLen * sizeof(WCHAR));
 529                     info->wki100_langroup = (LPWSTR)(*bufptr +
 530                      sizeof(WKSTA_INFO_100) + computerNameLen * sizeof(WCHAR));
 531                     memcpy(info->wki100_langroup, DomainInfo->DomainName.Buffer,
 532                      domainNameLen * sizeof(WCHAR));
 533                     memset(&verInfo, 0, sizeof(verInfo));
 534                     verInfo.dwOSVersionInfoSize = sizeof(verInfo);
 535                     GetVersionExW(&verInfo);
 536                     info->wki100_ver_major = verInfo.dwMajorVersion;
 537                     info->wki100_ver_minor = verInfo.dwMinorVersion;
 538                 }
 539                 LsaFreeMemory(DomainInfo);
 540                 LsaClose(PolicyHandle);
 541             }
 542             break;
 543         }
 544
 545         default:
 546             FIXME("level %ld unimplemented\n", level);
 547             ret = ERROR_INVALID_LEVEL;
 548     }
 549     return ret;
 550 }
 551
 552 /************************************************************
 553  *                NetGetJoinInformation (NETAPI32.@)
 554  */
 555 NET_API_STATUS NET_API_FUNCTION NetGetJoinInformation(
 556     LPCWSTR Server,
 557     LPWSTR *Name,
 558     PNETSETUP_JOIN_STATUS type)
 559 {
 560     FIXME("Stub %s %p %p\n", wine_dbgstr_w(Server), Name, type);
 561
 562     *Name = NULL;
 563     *type = NetSetupUnknownStatus;
 564
 565     return NERR_Success;
 566 }