dlls/netapi32/access.c

   1 /*
   2  * Copyright 2002 Andriy Palamarchuk
   3  *
   4  * netapi32 access 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 "winbase.h"
  22 #include "winerror.h"
  23 #include "lmcons.h"
  24 #include "lmaccess.h"
  25 #include "lmapibuf.h"
  26 #include "lmerr.h"
  27 #include "netapi32_misc.h"
  28 #include "wine/debug.h"
  29 #include "wine/unicode.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
  32
  33 const WCHAR sAdminUserName[] = {'A','d','m','i','n','i','s','t','r','a','t',
  34                                 'o','r',0};
  35 const WCHAR sGuestUserName[] = {'G','u','e','s','t',0};
  36
  37 /************************************************************
  38  *                NETAPI_ValidateServername
  39  *
  40  * Validates server name
  41  */
  42 NET_API_STATUS NETAPI_ValidateServername(LPCWSTR ServerName)
  43 {
  44     if (ServerName)
  45     {
  46         if (ServerName[0] == 0)
  47             return ERROR_BAD_NETPATH;
  48         else if (
  49             ((ServerName[0] == '\\') &&
  50              (ServerName[1] != '\\'))
  51             ||
  52             ((ServerName[0] == '\\') &&
  53              (ServerName[1] == '\\') &&
  54              (ServerName[2] == 0))
  55             )
  56             return ERROR_INVALID_NAME;
  57     }
  58     return NERR_Success;
  59 }
  60
  61 /************************************************************
  62  *                NETAPI_IsKnownUser
  63  *
  64  * Checks whether the user name indicates current user.
  65  */
  66 BOOL NETAPI_IsKnownUser(LPCWSTR UserName)
  67 {
  68     DWORD dwSize = UNLEN + 1;
  69     BOOL Result;
  70     LPWSTR buf;
  71
  72     if (!lstrcmpW(UserName, sAdminUserName) ||
  73         !lstrcmpW(UserName, sGuestUserName))
  74         return TRUE;
  75     NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) &buf);
  76     Result = GetUserNameW(buf, &dwSize);
  77
  78     Result = Result && !lstrcmpW(UserName, buf);
  79     NetApiBufferFree(buf);
  80
  81     return Result;
  82 }
  83
  84 #define NETAPI_ForceKnownUser(UserName, FailureCode) \
  85     if (!NETAPI_IsKnownUser(UserName)) \
  86     { \
  87         FIXME("Can't find information for user %s\n", \
  88               debugstr_w(UserName)); \
  89         return FailureCode; \
  90     }
  91
  92 /************************************************************
  93  *                NetUserGetInfo  (NETAPI32.@)
  94  */
  95 NET_API_STATUS WINAPI
  96 NetUserGetInfo(LPCWSTR servername, LPCWSTR username, DWORD level,
  97                LPBYTE* bufptr)
  98 {
  99     NET_API_STATUS status;
 100     TRACE("(%s, %s, %ld, %p)\n", debugstr_w(servername), debugstr_w(username),
 101           level, bufptr);
 102     status = NETAPI_ValidateServername(servername);
 103     if (status != NERR_Success)
 104         return status;
 105     NETAPI_ForceLocalComputer(servername, NERR_InvalidComputer);
 106     NETAPI_ForceKnownUser(username, NERR_UserNotFound);
 107
 108     switch (level)
 109     {
 110     case 0:
 111     {
 112         PUSER_INFO_0 ui;
 113         int name_sz;
 114
 115         name_sz = lstrlenW(username) + 1;
 116
 117         /* set up buffer */
 118         NetApiBufferAllocate(sizeof(USER_INFO_0) + name_sz * sizeof(WCHAR),
 119                              (LPVOID *) bufptr);
 120
 121         ui = (PUSER_INFO_0) *bufptr;
 122         ui->usri0_name = (LPWSTR) (*bufptr + sizeof(USER_INFO_0));
 123
 124         /* get data */
 125         lstrcpyW(ui->usri0_name, username);
 126         break;
 127     }
 128
 129     case 10:
 130     {
 131         PUSER_INFO_10 ui;
 132         PUSER_INFO_0 ui0;
 133         NET_API_STATUS status;
 134         /* sizes of the field buffers in WCHARS */
 135         int name_sz, comment_sz, usr_comment_sz, full_name_sz;
 136
 137         comment_sz = 1;
 138         usr_comment_sz = 1;
 139         full_name_sz = 1;
 140
 141         /* get data */
 142         status = NetUserGetInfo(servername, username, 0, (LPBYTE *) &ui0);
 143         if (status != NERR_Success)
 144         {
 145             NetApiBufferFree(ui0);
 146             return status;
 147         }
 148         name_sz = lstrlenW(ui0->usri0_name) + 1;
 149
 150         /* set up buffer */
 151         NetApiBufferAllocate(sizeof(USER_INFO_10) +
 152                              (name_sz + comment_sz + usr_comment_sz +
 153                               full_name_sz) * sizeof(WCHAR),
 154                              (LPVOID *) bufptr);
 155         ui = (PUSER_INFO_10) *bufptr;
 156         ui->usri10_name = (LPWSTR) (*bufptr + sizeof(USER_INFO_10));
 157         ui->usri10_comment = (LPWSTR) (
 158             ((PBYTE) ui->usri10_name) + name_sz * sizeof(WCHAR));
 159         ui->usri10_usr_comment = (LPWSTR) (
 160             ((PBYTE) ui->usri10_comment) + comment_sz * sizeof(WCHAR));
 161         ui->usri10_full_name = (LPWSTR) (
 162             ((PBYTE) ui->usri10_usr_comment) + usr_comment_sz * sizeof(WCHAR));
 163
 164         /* set data */
 165         lstrcpyW(ui->usri10_name, ui0->usri0_name);
 166         NetApiBufferFree(ui0);
 167         ui->usri10_comment[0] = 0;
 168         ui->usri10_usr_comment[0] = 0;
 169         ui->usri10_full_name[0] = 0;
 170         break;
 171     }
 172
 173     case 1:
 174       {
 175         static const WCHAR homedirW[] = {'H','O','M','E',0};
 176         PUSER_INFO_1 ui;
 177         PUSER_INFO_0 ui0;
 178         NET_API_STATUS status;
 179         /* sizes of the field buffers in WCHARS */
 180         int name_sz, password_sz, home_dir_sz, comment_sz, script_path_sz;
 181
 182         password_sz = 1; /* not filled out for security reasons for NetUserGetInfo*/
 183         comment_sz = 1;
 184         script_path_sz = 1;
 185
 186        /* get data */
 187         status = NetUserGetInfo(servername, username, 0, (LPBYTE *) &ui0);
 188         if (status != NERR_Success)
 189         {
 190             NetApiBufferFree(ui0);
 191             return status;
 192         }
 193         name_sz = lstrlenW(ui0->usri0_name) + 1;
 194         home_dir_sz = GetEnvironmentVariableW(homedirW, NULL,0);
 195         /* set up buffer */
 196         NetApiBufferAllocate(sizeof(USER_INFO_1) +
 197                              (name_sz + password_sz + home_dir_sz +
 198                               comment_sz + script_path_sz) * sizeof(WCHAR),
 199                              (LPVOID *) bufptr);
 200
 201         ui = (PUSER_INFO_1) *bufptr;
 202         ui->usri1_name = (LPWSTR) (ui + 1);
 203         ui->usri1_password = ui->usri1_name + name_sz;
 204         ui->usri1_home_dir = ui->usri1_password + password_sz;
 205         ui->usri1_comment = ui->usri1_home_dir + home_dir_sz;
 206         ui->usri1_script_path = ui->usri1_comment + comment_sz;
 207         /* set data */
 208         lstrcpyW(ui->usri1_name, ui0->usri0_name);
 209         NetApiBufferFree(ui0);
 210         ui->usri1_password[0] = 0;
 211         ui->usri1_password_age = 0;
 212         ui->usri1_priv = 0;
 213         GetEnvironmentVariableW(homedirW, ui->usri1_home_dir,home_dir_sz);
 214         ui->usri1_comment[0] = 0;
 215         ui->usri1_flags = 0;
 216         ui->usri1_script_path[0] = 0;
 217         break;
 218       }
 219     case 2:
 220     case 3:
 221     case 4:
 222     case 11:
 223     case 20:
 224     case 23:
 225     case 1003:
 226     case 1005:
 227     case 1006:
 228     case 1007:
 229     case 1008:
 230     case 1009:
 231     case 1010:
 232     case 1011:
 233     case 1012:
 234     case 1013:
 235     case 1014:
 236     case 1017:
 237     case 1018:
 238     case 1020:
 239     case 1023:
 240     case 1024:
 241     case 1025:
 242     case 1051:
 243     case 1052:
 244     case 1053:
 245     {
 246         FIXME("Level %ld is not implemented\n", level);
 247         break;
 248     }
 249     default:
 250         ERR("Invalid level %ld is specified\n", level);
 251         return ERROR_INVALID_LEVEL;
 252     }
 253     return NERR_Success;
 254 }
 255
 256 /************************************************************
 257  *                ACCESS_QueryAdminDisplayInformation
 258  *
 259  *  Creates a buffer with information for the Admin User
 260  */
 261 void ACCESS_QueryAdminDisplayInformation(PNET_DISPLAY_USER *buf, PDWORD pdwSize)
 262 {
 263     const WCHAR sAdminUserName[] = {
 264         'A','d','m','i','n','i','s','t','r','a','t','o','r',0};
 265
 266     /* sizes of the field buffers in WCHARS */
 267     int name_sz, comment_sz, full_name_sz;
 268     PNET_DISPLAY_USER usr;
 269
 270     /* set up buffer */
 271     name_sz = lstrlenW(sAdminUserName);
 272     comment_sz = 1;
 273     full_name_sz = 1;
 274
 275     *pdwSize = sizeof(NET_DISPLAY_USER);
 276     *pdwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 277     NetApiBufferAllocate(*pdwSize, (LPVOID *) buf);
 278
 279     usr = *buf;
 280     usr->usri1_name = (LPWSTR) ((PBYTE) usr + sizeof(NET_DISPLAY_USER));
 281     usr->usri1_comment = (LPWSTR) (
 282         ((PBYTE) usr->usri1_name) + name_sz * sizeof(WCHAR));
 283     usr->usri1_full_name = (LPWSTR) (
 284         ((PBYTE) usr->usri1_comment) + comment_sz * sizeof(WCHAR));
 285
 286     /* set data */
 287     lstrcpyW(usr->usri1_name, sAdminUserName);
 288     usr->usri1_comment[0] = 0;
 289     usr->usri1_flags = UF_SCRIPT | UF_NORMAL_ACCOUNT | UF_DONT_EXPIRE_PASSWD;
 290     usr->usri1_full_name[0] = 0;
 291     usr->usri1_user_id = 500;
 292     usr->usri1_next_index = 0;
 293 }
 294
 295 /************************************************************
 296  *                ACCESS_QueryGuestDisplayInformation
 297  *
 298  *  Creates a buffer with information for the Guest User
 299  */
 300 void ACCESS_QueryGuestDisplayInformation(PNET_DISPLAY_USER *buf, PDWORD pdwSize)
 301 {
 302     const WCHAR sGuestUserName[] = {
 303         'G','u','e','s','t',0 };
 304
 305     /* sizes of the field buffers in WCHARS */
 306     int name_sz, comment_sz, full_name_sz;
 307     PNET_DISPLAY_USER usr;
 308
 309     /* set up buffer */
 310     name_sz = lstrlenW(sGuestUserName);
 311     comment_sz = 1;
 312     full_name_sz = 1;
 313
 314     *pdwSize = sizeof(NET_DISPLAY_USER);
 315     *pdwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 316     NetApiBufferAllocate(*pdwSize, (LPVOID *) buf);
 317
 318     usr = *buf;
 319     usr->usri1_name = (LPWSTR) ((PBYTE) usr + sizeof(NET_DISPLAY_USER));
 320     usr->usri1_comment = (LPWSTR) (
 321         ((PBYTE) usr->usri1_name) + name_sz * sizeof(WCHAR));
 322     usr->usri1_full_name = (LPWSTR) (
 323         ((PBYTE) usr->usri1_comment) + comment_sz * sizeof(WCHAR));
 324
 325     /* set data */
 326     lstrcpyW(usr->usri1_name, sGuestUserName);
 327     usr->usri1_comment[0] = 0;
 328     usr->usri1_flags = UF_ACCOUNTDISABLE | UF_SCRIPT | UF_NORMAL_ACCOUNT |
 329         UF_DONT_EXPIRE_PASSWD;
 330     usr->usri1_full_name[0] = 0;
 331     usr->usri1_user_id = 500;
 332     usr->usri1_next_index = 0;
 333 }
 334
 335 /************************************************************
 336  *                NetQueryDisplayInformation  (NETAPI32.@)
 337  * Copies NET_DISPLAY_USER record.
 338  */
 339 void ACCESS_CopyDisplayUser(PNET_DISPLAY_USER dest, LPWSTR *dest_buf,
 340                             PNET_DISPLAY_USER src)
 341 {
 342     LPWSTR str = *dest_buf;
 343
 344     src->usri1_name = str;
 345     lstrcpyW(src->usri1_name, dest->usri1_name);
 346     str = (LPWSTR) (
 347         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 348
 349     src->usri1_comment = str;
 350     lstrcpyW(src->usri1_comment, dest->usri1_comment);
 351     str = (LPWSTR) (
 352         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 353
 354     src->usri1_flags = dest->usri1_flags;
 355
 356     src->usri1_full_name = str;
 357     lstrcpyW(src->usri1_full_name, dest->usri1_full_name);
 358     str = (LPWSTR) (
 359         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 360
 361     src->usri1_user_id = dest->usri1_user_id;
 362     src->usri1_next_index = dest->usri1_next_index;
 363     *dest_buf = str;
 364 }
 365
 366 /************************************************************
 367  *                NetQueryDisplayInformation  (NETAPI32.@)
 368  *
 369  * The buffer structure:
 370  * - array of fixed size record of the level type
 371  * - strings, referenced by the record of the level type
 372  */
 373 NET_API_STATUS WINAPI
 374 NetQueryDisplayInformation(
 375     LPWSTR ServerName, DWORD Level, DWORD Index, DWORD EntriesRequested,
 376     DWORD PreferredMaximumLength, LPDWORD ReturnedEntryCount,
 377     PVOID *SortedBuffer)
 378 {
 379     TRACE("(%s, %ld, %ld, %ld, %ld, %p, %p)\n", debugstr_w(ServerName),
 380           Level, Index, EntriesRequested, PreferredMaximumLength,
 381           ReturnedEntryCount, SortedBuffer);
 382     NETAPI_ForceLocalComputer(ServerName, ERROR_ACCESS_DENIED);
 383     switch (Level)
 384     {
 385     case 1:
 386     {
 387         /* current record */
 388         PNET_DISPLAY_USER inf;
 389         /* current available strings buffer */
 390         LPWSTR str;
 391         PNET_DISPLAY_USER admin, guest;
 392         DWORD admin_size, guest_size;
 393         LPWSTR name = NULL;
 394         DWORD dwSize;
 395
 396         /* sizes of the field buffers in WCHARS */
 397         int name_sz, comment_sz, full_name_sz;
 398
 399         /* number of the records, returned in SortedBuffer
 400            3 - for current user, Administrator and Guest users
 401          */
 402         int records = 3;
 403
 404         FIXME("Level %ld partially implemented\n", Level);
 405         *ReturnedEntryCount = records;
 406         comment_sz = 1;
 407         full_name_sz = 1;
 408
 409         /* get data */
 410         dwSize = UNLEN + 1;
 411         NetApiBufferAllocate(dwSize, (LPVOID *) &name);
 412         if (!GetUserNameW(name, &dwSize))
 413         {
 414             NetApiBufferFree(name);
 415             return ERROR_ACCESS_DENIED;
 416         }
 417         name_sz = dwSize;
 418         ACCESS_QueryAdminDisplayInformation(&admin, &admin_size);
 419         ACCESS_QueryGuestDisplayInformation(&guest, &guest_size);
 420
 421         /* set up buffer */
 422         dwSize = sizeof(NET_DISPLAY_USER) * records;
 423         dwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 424
 425         NetApiBufferAllocate(dwSize +
 426                              admin_size - sizeof(NET_DISPLAY_USER) +
 427                              guest_size - sizeof(NET_DISPLAY_USER),
 428                              (LPVOID *) SortedBuffer);
 429         inf = (PNET_DISPLAY_USER) *SortedBuffer;
 430         str = (LPWSTR) ((PBYTE) inf + sizeof(NET_DISPLAY_USER) * records);
 431         inf->usri1_name = str;
 432         str = (LPWSTR) (
 433             ((PBYTE) str) + name_sz * sizeof(WCHAR));
 434         inf->usri1_comment = str;
 435         str = (LPWSTR) (
 436             ((PBYTE) str) + comment_sz * sizeof(WCHAR));
 437         inf->usri1_full_name = str;
 438         str = (LPWSTR) (
 439             ((PBYTE) str) + full_name_sz * sizeof(WCHAR));
 440
 441         /* set data */
 442         lstrcpyW(inf->usri1_name, name);
 443         NetApiBufferFree(name);
 444         inf->usri1_comment[0] = 0;
 445         inf->usri1_flags =
 446             UF_SCRIPT | UF_NORMAL_ACCOUNT | UF_DONT_EXPIRE_PASSWD;
 447         inf->usri1_full_name[0] = 0;
 448         inf->usri1_user_id = 0;
 449         inf->usri1_next_index = 0;
 450
 451         inf++;
 452         ACCESS_CopyDisplayUser(admin, &str, inf);
 453         NetApiBufferFree(admin);
 454
 455         inf++;
 456         ACCESS_CopyDisplayUser(guest, &str, inf);
 457         NetApiBufferFree(guest);
 458         break;
 459     }
 460
 461     case 2:
 462     case 3:
 463     {
 464         FIXME("Level %ld is not implemented\n", Level);
 465         break;
 466     }
 467
 468     default:
 469         ERR("Invalid level %ld is specified\n", Level);
 470         return ERROR_INVALID_LEVEL;
 471     }
 472     return NERR_Success;
 473 }
 474
 475 /************************************************************
 476  *                NetGetDCName  (NETAPI32.@)
 477  *
 478  *  Return the name of the primary domain controller (PDC)
 479  */
 480
 481 NET_API_STATUS WINAPI
 482 NetGetDCName(LPWSTR servername, LPWSTR domainname, LPBYTE bufptr)
 483 {
 484   FIXME("stub!\n");
 485   return NERR_DCNotFound; /* say we can't find a domain controller */
 486 }
 487
 488