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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "ntstatus.h"
  24 #define WIN32_NO_STATUS
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winerror.h"
  28 #include "lmcons.h"
  29 #include "lmaccess.h"
  30 #include "lmapibuf.h"
  31 #include "lmerr.h"
  32 #include "lmuse.h"
  33 #include "ntsecapi.h"
  34 #include "wine/debug.h"
  35 #include "wine/unicode.h"
  36 #include "wine/list.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(netapi32);
  39
  40 /* NOTE: So far, this is implemented to support tests that require user logins,
  41  *       but not designed to handle real user databases. Those should probably
  42  *       be synced with either the host's user database or with Samba.
  43  *
  44  * FIXME: The user database should hold all the information the USER_INFO_4 struct
  45  * needs, but for the first try, I will just implement the USER_INFO_1 fields.
  46  */
  47
  48 struct sam_user
  49 {
  50     struct list entry;
  51     WCHAR user_name[LM20_UNLEN+1];
  52     WCHAR user_password[PWLEN + 1];
  53     DWORD sec_since_passwd_change;
  54     DWORD user_priv;
  55     LPWSTR home_dir;
  56     LPWSTR user_comment;
  57     DWORD user_flags;
  58     LPWSTR user_logon_script_path;
  59 };
  60
  61 static const WCHAR sAdminUserName[] = {'A','d','m','i','n','i','s','t','r','a','t',
  62                                 'o','r',0};
  63 static const WCHAR sGuestUserName[] = {'G','u','e','s','t',0};
  64
  65 static struct list user_list = LIST_INIT( user_list );
  66
  67 BOOL NETAPI_IsLocalComputer(LPCWSTR ServerName);
  68
  69 /************************************************************
  70  *                NETAPI_ValidateServername
  71  *
  72  * Validates server name
  73  */
  74 static NET_API_STATUS NETAPI_ValidateServername(LPCWSTR ServerName)
  75 {
  76     if (ServerName)
  77     {
  78         if (ServerName[0] == 0)
  79             return ERROR_BAD_NETPATH;
  80         else if (
  81             ((ServerName[0] == '\\') &&
  82              (ServerName[1] != '\\'))
  83             ||
  84             ((ServerName[0] == '\\') &&
  85              (ServerName[1] == '\\') &&
  86              (ServerName[2] == 0))
  87             )
  88             return ERROR_INVALID_NAME;
  89     }
  90     return NERR_Success;
  91 }
  92
  93 /************************************************************
  94  *                NETAPI_FindUser
  95  *
  96  * Looks for a user in the user database.
  97  * Returns a pointer to the entry in the user list when the user
  98  * is found, NULL otherwise.
  99  */
 100 static struct sam_user* NETAPI_FindUser(LPCWSTR UserName)
 101 {
 102     struct sam_user *user;
 103
 104     LIST_FOR_EACH_ENTRY(user, &user_list, struct sam_user, entry)
 105     {
 106         if(lstrcmpW(user->user_name, UserName) == 0)
 107             return user;
 108     }
 109     return NULL;
 110 }
 111
 112 /************************************************************
 113  *                NetUserAdd (NETAPI32.@)
 114  */
 115 NET_API_STATUS WINAPI NetUserAdd(LPCWSTR servername,
 116                   DWORD level, LPBYTE bufptr, LPDWORD parm_err)
 117 {
 118     NET_API_STATUS status;
 119     struct sam_user * su = NULL;
 120
 121     FIXME("(%s, %d, %p, %p) stub!\n", debugstr_w(servername), level, bufptr, parm_err);
 122
 123     if((status = NETAPI_ValidateServername(servername)) != NERR_Success)
 124         return status;
 125
 126     switch(level)
 127     {
 128     /* Level 3 and 4 are identical for the purposes of NetUserAdd */
 129     case 4:
 130     case 3:
 131         FIXME("Level 3 and 4 not implemented.\n");
 132         /* Fall through */
 133     case 2:
 134         FIXME("Level 2 not implemented.\n");
 135         /* Fall through */
 136     case 1:
 137     {
 138         PUSER_INFO_1 ui = (PUSER_INFO_1) bufptr;
 139         su = HeapAlloc(GetProcessHeap(), 0, sizeof(struct sam_user));
 140         if(!su)
 141         {
 142             status = NERR_InternalError;
 143             break;
 144         }
 145
 146         if(lstrlenW(ui->usri1_name) > LM20_UNLEN)
 147         {
 148             status = NERR_BadUsername;
 149             break;
 150         }
 151
 152         /*FIXME: do other checks for a valid username */
 153         lstrcpyW(su->user_name, ui->usri1_name);
 154
 155         if(lstrlenW(ui->usri1_password) > PWLEN)
 156         {
 157             /* Always return PasswordTooShort on invalid passwords. */
 158             status = NERR_PasswordTooShort;
 159             break;
 160         }
 161         lstrcpyW(su->user_password, ui->usri1_password);
 162
 163         su->sec_since_passwd_change = ui->usri1_password_age;
 164         su->user_priv = ui->usri1_priv;
 165         su->user_flags = ui->usri1_flags;
 166
 167         /*FIXME: set the other LPWSTRs to NULL for now */
 168         su->home_dir = NULL;
 169         su->user_comment = NULL;
 170         su->user_logon_script_path = NULL;
 171
 172         list_add_head(&user_list, &su->entry);
 173         return NERR_Success;
 174     }
 175     default:
 176         TRACE("Invalid level %d specified.\n", level);
 177         status = ERROR_INVALID_LEVEL;
 178         break;
 179     }
 180
 181     HeapFree(GetProcessHeap(), 0, su);
 182
 183     return status;
 184 }
 185
 186 /************************************************************
 187  *                NetUserDel  (NETAPI32.@)
 188  */
 189 NET_API_STATUS WINAPI NetUserDel(LPCWSTR servername, LPCWSTR username)
 190 {
 191     NET_API_STATUS status;
 192     struct sam_user *user;
 193
 194     TRACE("(%s, %s)\n", debugstr_w(servername), debugstr_w(username));
 195
 196     if((status = NETAPI_ValidateServername(servername))!= NERR_Success)
 197         return status;
 198
 199     if ((user = NETAPI_FindUser(username)) == NULL)
 200         return NERR_UserNotFound;
 201
 202     list_remove(&user->entry);
 203
 204     HeapFree(GetProcessHeap(), 0, user->home_dir);
 205     HeapFree(GetProcessHeap(), 0, user->user_comment);
 206     HeapFree(GetProcessHeap(), 0, user->user_logon_script_path);
 207     HeapFree(GetProcessHeap(), 0, user);
 208
 209     return NERR_Success;
 210 }
 211
 212 /************************************************************
 213  *                NetUserGetInfo  (NETAPI32.@)
 214  */
 215 NET_API_STATUS WINAPI
 216 NetUserGetInfo(LPCWSTR servername, LPCWSTR username, DWORD level,
 217                LPBYTE* bufptr)
 218 {
 219     NET_API_STATUS status;
 220     TRACE("(%s, %s, %d, %p)\n", debugstr_w(servername), debugstr_w(username),
 221           level, bufptr);
 222     status = NETAPI_ValidateServername(servername);
 223     if (status != NERR_Success)
 224         return status;
 225
 226     if(!NETAPI_IsLocalComputer(servername))
 227     {
 228         FIXME("Only implemented for local computer, but remote server"
 229               "%s was requested.\n", debugstr_w(servername));
 230         return NERR_InvalidComputer;
 231     }
 232
 233     if(!NETAPI_FindUser(username))
 234     {
 235         TRACE("User %s is unknown.\n", debugstr_w(username));
 236         return NERR_UserNotFound;
 237     }
 238
 239     switch (level)
 240     {
 241     case 0:
 242     {
 243         PUSER_INFO_0 ui;
 244         int name_sz;
 245
 246         name_sz = lstrlenW(username) + 1;
 247
 248         /* set up buffer */
 249         NetApiBufferAllocate(sizeof(USER_INFO_0) + name_sz * sizeof(WCHAR),
 250                              (LPVOID *) bufptr);
 251
 252         ui = (PUSER_INFO_0) *bufptr;
 253         ui->usri0_name = (LPWSTR) (*bufptr + sizeof(USER_INFO_0));
 254
 255         /* get data */
 256         lstrcpyW(ui->usri0_name, username);
 257         break;
 258     }
 259
 260     case 10:
 261     {
 262         PUSER_INFO_10 ui;
 263         PUSER_INFO_0 ui0;
 264         NET_API_STATUS status;
 265         /* sizes of the field buffers in WCHARS */
 266         int name_sz, comment_sz, usr_comment_sz, full_name_sz;
 267
 268         comment_sz = 1;
 269         usr_comment_sz = 1;
 270         full_name_sz = 1;
 271
 272         /* get data */
 273         status = NetUserGetInfo(servername, username, 0, (LPBYTE *) &ui0);
 274         if (status != NERR_Success)
 275         {
 276             NetApiBufferFree(ui0);
 277             return status;
 278         }
 279         name_sz = lstrlenW(ui0->usri0_name) + 1;
 280
 281         /* set up buffer */
 282         NetApiBufferAllocate(sizeof(USER_INFO_10) +
 283                              (name_sz + comment_sz + usr_comment_sz +
 284                               full_name_sz) * sizeof(WCHAR),
 285                              (LPVOID *) bufptr);
 286         ui = (PUSER_INFO_10) *bufptr;
 287         ui->usri10_name = (LPWSTR) (*bufptr + sizeof(USER_INFO_10));
 288         ui->usri10_comment = (LPWSTR) (
 289             ((PBYTE) ui->usri10_name) + name_sz * sizeof(WCHAR));
 290         ui->usri10_usr_comment = (LPWSTR) (
 291             ((PBYTE) ui->usri10_comment) + comment_sz * sizeof(WCHAR));
 292         ui->usri10_full_name = (LPWSTR) (
 293             ((PBYTE) ui->usri10_usr_comment) + usr_comment_sz * sizeof(WCHAR));
 294
 295         /* set data */
 296         lstrcpyW(ui->usri10_name, ui0->usri0_name);
 297         NetApiBufferFree(ui0);
 298         ui->usri10_comment[0] = 0;
 299         ui->usri10_usr_comment[0] = 0;
 300         ui->usri10_full_name[0] = 0;
 301         break;
 302     }
 303
 304     case 1:
 305       {
 306         static const WCHAR homedirW[] = {'H','O','M','E',0};
 307         PUSER_INFO_1 ui;
 308         PUSER_INFO_0 ui0;
 309         NET_API_STATUS status;
 310         /* sizes of the field buffers in WCHARS */
 311         int name_sz, password_sz, home_dir_sz, comment_sz, script_path_sz;
 312
 313         password_sz = 1; /* not filled out for security reasons for NetUserGetInfo*/
 314         comment_sz = 1;
 315         script_path_sz = 1;
 316
 317        /* get data */
 318         status = NetUserGetInfo(servername, username, 0, (LPBYTE *) &ui0);
 319         if (status != NERR_Success)
 320         {
 321             NetApiBufferFree(ui0);
 322             return status;
 323         }
 324         name_sz = lstrlenW(ui0->usri0_name) + 1;
 325         home_dir_sz = GetEnvironmentVariableW(homedirW, NULL,0);
 326         /* set up buffer */
 327         NetApiBufferAllocate(sizeof(USER_INFO_1) +
 328                              (name_sz + password_sz + home_dir_sz +
 329                               comment_sz + script_path_sz) * sizeof(WCHAR),
 330                              (LPVOID *) bufptr);
 331
 332         ui = (PUSER_INFO_1) *bufptr;
 333         ui->usri1_name = (LPWSTR) (ui + 1);
 334         ui->usri1_password = ui->usri1_name + name_sz;
 335         ui->usri1_home_dir = ui->usri1_password + password_sz;
 336         ui->usri1_comment = ui->usri1_home_dir + home_dir_sz;
 337         ui->usri1_script_path = ui->usri1_comment + comment_sz;
 338         /* set data */
 339         lstrcpyW(ui->usri1_name, ui0->usri0_name);
 340         NetApiBufferFree(ui0);
 341         ui->usri1_password[0] = 0;
 342         ui->usri1_password_age = 0;
 343         ui->usri1_priv = 0;
 344         GetEnvironmentVariableW(homedirW, ui->usri1_home_dir,home_dir_sz);
 345         ui->usri1_comment[0] = 0;
 346         ui->usri1_flags = 0;
 347         ui->usri1_script_path[0] = 0;
 348         break;
 349       }
 350     case 2:
 351     case 3:
 352     case 4:
 353     case 11:
 354     case 20:
 355     case 23:
 356     case 1003:
 357     case 1005:
 358     case 1006:
 359     case 1007:
 360     case 1008:
 361     case 1009:
 362     case 1010:
 363     case 1011:
 364     case 1012:
 365     case 1013:
 366     case 1014:
 367     case 1017:
 368     case 1018:
 369     case 1020:
 370     case 1023:
 371     case 1024:
 372     case 1025:
 373     case 1051:
 374     case 1052:
 375     case 1053:
 376     {
 377         FIXME("Level %d is not implemented\n", level);
 378         return NERR_InternalError;
 379     }
 380     default:
 381         TRACE("Invalid level %d is specified\n", level);
 382         return ERROR_INVALID_LEVEL;
 383     }
 384     return NERR_Success;
 385 }
 386
 387 /************************************************************
 388  *                NetUserGetLocalGroups  (NETAPI32.@)
 389  */
 390 NET_API_STATUS WINAPI
 391 NetUserGetLocalGroups(LPCWSTR servername, LPCWSTR username, DWORD level,
 392                       DWORD flags, LPBYTE* bufptr, DWORD prefmaxlen,
 393                       LPDWORD entriesread, LPDWORD totalentries)
 394 {
 395     NET_API_STATUS status;
 396
 397     FIXME("(%s, %s, %d, %08x, %p %d, %p, %p) stub!\n",
 398           debugstr_w(servername), debugstr_w(username), level, flags, bufptr,
 399           prefmaxlen, entriesread, totalentries);
 400
 401     status = NETAPI_ValidateServername(servername);
 402     if (status != NERR_Success)
 403         return status;
 404
 405     if (!NETAPI_FindUser(username))
 406         return NERR_UserNotFound;
 407
 408     if (bufptr) *bufptr = NULL;
 409     if (entriesread) *entriesread = 0;
 410     if (totalentries) *totalentries = 0;
 411
 412     return NERR_Success;
 413 }
 414
 415 /************************************************************
 416  *                NetUserEnum  (NETAPI32.@)
 417  */
 418 NET_API_STATUS WINAPI
 419 NetUserEnum(LPCWSTR servername, DWORD level, DWORD filter, LPBYTE* bufptr,
 420             DWORD prefmaxlen, LPDWORD entriesread, LPDWORD totalentries,
 421             LPDWORD resume_handle)
 422 {
 423   FIXME("(%s,%d, 0x%d,%p,%d,%p,%p,%p) stub!\n", debugstr_w(servername), level,
 424         filter, bufptr, prefmaxlen, entriesread, totalentries, resume_handle);
 425
 426   return ERROR_ACCESS_DENIED;
 427 }
 428
 429 /************************************************************
 430  *                ACCESS_QueryAdminDisplayInformation
 431  *
 432  *  Creates a buffer with information for the Admin User
 433  */
 434 static void ACCESS_QueryAdminDisplayInformation(PNET_DISPLAY_USER *buf, PDWORD pdwSize)
 435 {
 436     static const WCHAR sAdminUserName[] = {
 437         'A','d','m','i','n','i','s','t','r','a','t','o','r',0};
 438
 439     /* sizes of the field buffers in WCHARS */
 440     int name_sz, comment_sz, full_name_sz;
 441     PNET_DISPLAY_USER usr;
 442
 443     /* set up buffer */
 444     name_sz = lstrlenW(sAdminUserName);
 445     comment_sz = 1;
 446     full_name_sz = 1;
 447
 448     *pdwSize = sizeof(NET_DISPLAY_USER);
 449     *pdwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 450     NetApiBufferAllocate(*pdwSize, (LPVOID *) buf);
 451
 452     usr = *buf;
 453     usr->usri1_name = (LPWSTR) ((PBYTE) usr + sizeof(NET_DISPLAY_USER));
 454     usr->usri1_comment = (LPWSTR) (
 455         ((PBYTE) usr->usri1_name) + name_sz * sizeof(WCHAR));
 456     usr->usri1_full_name = (LPWSTR) (
 457         ((PBYTE) usr->usri1_comment) + comment_sz * sizeof(WCHAR));
 458
 459     /* set data */
 460     lstrcpyW(usr->usri1_name, sAdminUserName);
 461     usr->usri1_comment[0] = 0;
 462     usr->usri1_flags = UF_SCRIPT | UF_NORMAL_ACCOUNT | UF_DONT_EXPIRE_PASSWD;
 463     usr->usri1_full_name[0] = 0;
 464     usr->usri1_user_id = 500;
 465     usr->usri1_next_index = 0;
 466 }
 467
 468 /************************************************************
 469  *                ACCESS_QueryGuestDisplayInformation
 470  *
 471  *  Creates a buffer with information for the Guest User
 472  */
 473 static void ACCESS_QueryGuestDisplayInformation(PNET_DISPLAY_USER *buf, PDWORD pdwSize)
 474 {
 475     static const WCHAR sGuestUserName[] = {
 476         'G','u','e','s','t',0 };
 477
 478     /* sizes of the field buffers in WCHARS */
 479     int name_sz, comment_sz, full_name_sz;
 480     PNET_DISPLAY_USER usr;
 481
 482     /* set up buffer */
 483     name_sz = lstrlenW(sGuestUserName);
 484     comment_sz = 1;
 485     full_name_sz = 1;
 486
 487     *pdwSize = sizeof(NET_DISPLAY_USER);
 488     *pdwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 489     NetApiBufferAllocate(*pdwSize, (LPVOID *) buf);
 490
 491     usr = *buf;
 492     usr->usri1_name = (LPWSTR) ((PBYTE) usr + sizeof(NET_DISPLAY_USER));
 493     usr->usri1_comment = (LPWSTR) (
 494         ((PBYTE) usr->usri1_name) + name_sz * sizeof(WCHAR));
 495     usr->usri1_full_name = (LPWSTR) (
 496         ((PBYTE) usr->usri1_comment) + comment_sz * sizeof(WCHAR));
 497
 498     /* set data */
 499     lstrcpyW(usr->usri1_name, sGuestUserName);
 500     usr->usri1_comment[0] = 0;
 501     usr->usri1_flags = UF_ACCOUNTDISABLE | UF_SCRIPT | UF_NORMAL_ACCOUNT |
 502         UF_DONT_EXPIRE_PASSWD;
 503     usr->usri1_full_name[0] = 0;
 504     usr->usri1_user_id = 500;
 505     usr->usri1_next_index = 0;
 506 }
 507
 508 /************************************************************
 509  * Copies NET_DISPLAY_USER record.
 510  */
 511 static void ACCESS_CopyDisplayUser(const NET_DISPLAY_USER *dest, LPWSTR *dest_buf,
 512                             PNET_DISPLAY_USER src)
 513 {
 514     LPWSTR str = *dest_buf;
 515
 516     src->usri1_name = str;
 517     lstrcpyW(src->usri1_name, dest->usri1_name);
 518     str = (LPWSTR) (
 519         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 520
 521     src->usri1_comment = str;
 522     lstrcpyW(src->usri1_comment, dest->usri1_comment);
 523     str = (LPWSTR) (
 524         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 525
 526     src->usri1_flags = dest->usri1_flags;
 527
 528     src->usri1_full_name = str;
 529     lstrcpyW(src->usri1_full_name, dest->usri1_full_name);
 530     str = (LPWSTR) (
 531         ((PBYTE) str) + (lstrlenW(str) + 1) * sizeof(WCHAR));
 532
 533     src->usri1_user_id = dest->usri1_user_id;
 534     src->usri1_next_index = dest->usri1_next_index;
 535     *dest_buf = str;
 536 }
 537
 538 /************************************************************
 539  *                NetQueryDisplayInformation  (NETAPI32.@)
 540  *
 541  * The buffer structure:
 542  * - array of fixed size record of the level type
 543  * - strings, referenced by the record of the level type
 544  */
 545 NET_API_STATUS WINAPI
 546 NetQueryDisplayInformation(
 547     LPCWSTR ServerName, DWORD Level, DWORD Index, DWORD EntriesRequested,
 548     DWORD PreferredMaximumLength, LPDWORD ReturnedEntryCount,
 549     PVOID *SortedBuffer)
 550 {
 551     TRACE("(%s, %d, %d, %d, %d, %p, %p)\n", debugstr_w(ServerName),
 552           Level, Index, EntriesRequested, PreferredMaximumLength,
 553           ReturnedEntryCount, SortedBuffer);
 554
 555     if(!NETAPI_IsLocalComputer(ServerName))
 556     {
 557         FIXME("Only implemented on local computer, but requested for "
 558               "remote server %s\n", debugstr_w(ServerName));
 559         return ERROR_ACCESS_DENIED;
 560     }
 561
 562     switch (Level)
 563     {
 564     case 1:
 565     {
 566         /* current record */
 567         PNET_DISPLAY_USER inf;
 568         /* current available strings buffer */
 569         LPWSTR str;
 570         PNET_DISPLAY_USER admin, guest;
 571         DWORD admin_size, guest_size;
 572         LPWSTR name = NULL;
 573         DWORD dwSize;
 574
 575         /* sizes of the field buffers in WCHARS */
 576         int name_sz, comment_sz, full_name_sz;
 577
 578         /* number of the records, returned in SortedBuffer
 579            3 - for current user, Administrator and Guest users
 580          */
 581         int records = 3;
 582
 583         FIXME("Level %d partially implemented\n", Level);
 584         *ReturnedEntryCount = records;
 585         comment_sz = 1;
 586         full_name_sz = 1;
 587
 588         /* get data */
 589         dwSize = UNLEN + 1;
 590         NetApiBufferAllocate(dwSize, (LPVOID *) &name);
 591         if (!GetUserNameW(name, &dwSize))
 592         {
 593             NetApiBufferFree(name);
 594             return ERROR_ACCESS_DENIED;
 595         }
 596         name_sz = dwSize;
 597         ACCESS_QueryAdminDisplayInformation(&admin, &admin_size);
 598         ACCESS_QueryGuestDisplayInformation(&guest, &guest_size);
 599
 600         /* set up buffer */
 601         dwSize = sizeof(NET_DISPLAY_USER) * records;
 602         dwSize += (name_sz + comment_sz + full_name_sz) * sizeof(WCHAR);
 603
 604         NetApiBufferAllocate(dwSize +
 605                              admin_size - sizeof(NET_DISPLAY_USER) +
 606                              guest_size - sizeof(NET_DISPLAY_USER),
 607                              (LPVOID *) SortedBuffer);
 608         inf = (PNET_DISPLAY_USER) *SortedBuffer;
 609         str = (LPWSTR) ((PBYTE) inf + sizeof(NET_DISPLAY_USER) * records);
 610         inf->usri1_name = str;
 611         str = (LPWSTR) (
 612             ((PBYTE) str) + name_sz * sizeof(WCHAR));
 613         inf->usri1_comment = str;
 614         str = (LPWSTR) (
 615             ((PBYTE) str) + comment_sz * sizeof(WCHAR));
 616         inf->usri1_full_name = str;
 617         str = (LPWSTR) (
 618             ((PBYTE) str) + full_name_sz * sizeof(WCHAR));
 619
 620         /* set data */
 621         lstrcpyW(inf->usri1_name, name);
 622         NetApiBufferFree(name);
 623         inf->usri1_comment[0] = 0;
 624         inf->usri1_flags =
 625             UF_SCRIPT | UF_NORMAL_ACCOUNT | UF_DONT_EXPIRE_PASSWD;
 626         inf->usri1_full_name[0] = 0;
 627         inf->usri1_user_id = 0;
 628         inf->usri1_next_index = 0;
 629
 630         inf++;
 631         ACCESS_CopyDisplayUser(admin, &str, inf);
 632         NetApiBufferFree(admin);
 633
 634         inf++;
 635         ACCESS_CopyDisplayUser(guest, &str, inf);
 636         NetApiBufferFree(guest);
 637         break;
 638     }
 639
 640     case 2:
 641     case 3:
 642     {
 643         FIXME("Level %d is not implemented\n", Level);
 644         break;
 645     }
 646
 647     default:
 648         TRACE("Invalid level %d is specified\n", Level);
 649         return ERROR_INVALID_LEVEL;
 650     }
 651     return NERR_Success;
 652 }
 653
 654 /************************************************************
 655  *                NetGetDCName  (NETAPI32.@)
 656  *
 657  *  Return the name of the primary domain controller (PDC)
 658  */
 659
 660 NET_API_STATUS WINAPI
 661 NetGetDCName(LPCWSTR servername, LPCWSTR domainname, LPBYTE *bufptr)
 662 {
 663   FIXME("(%s, %s, %p) stub!\n", debugstr_w(servername),
 664                  debugstr_w(domainname), bufptr);
 665   return NERR_DCNotFound; /* say we can't find a domain controller */
 666 }
 667
 668
 669 /******************************************************************************
 670  * NetUserModalsGet  (NETAPI32.@)
 671  *
 672  * Retrieves global information for all users and global groups in the security
 673  * database.
 674  *
 675  * PARAMS
 676  *  szServer   [I] Specifies the DNS or the NetBIOS name of the remote server
 677  *                 on which the function is to execute.
 678  *  level      [I] Information level of the data.
 679  *     0   Return global passwords parameters. bufptr points to a
 680  *         USER_MODALS_INFO_0 struct.
 681  *     1   Return logon server and domain controller information. bufptr
 682  *         points to a USER_MODALS_INFO_1 struct.
 683  *     2   Return domain name and identifier. bufptr points to a
 684  *         USER_MODALS_INFO_2 struct.
 685  *     3   Return lockout information. bufptr points to a USER_MODALS_INFO_3
 686  *         struct.
 687  *  pbuffer    [I] Buffer that receives the data.
 688  *
 689  * RETURNS
 690  *  Success: NERR_Success.
 691  *  Failure:
 692  *     ERROR_ACCESS_DENIED - the user does not have access to the info.
 693  *     NERR_InvalidComputer - computer name is invalid.
 694  */
 695 NET_API_STATUS WINAPI NetUserModalsGet(
 696     LPCWSTR szServer, DWORD level, LPBYTE *pbuffer)
 697 {
 698     TRACE("(%s %d %p)\n", debugstr_w(szServer), level, pbuffer);
 699
 700     switch (level)
 701     {
 702         case 0:
 703             /* return global passwords parameters */
 704             FIXME("level 0 not implemented!\n");
 705             *pbuffer = NULL;
 706             return NERR_InternalError;
 707         case 1:
 708             /* return logon server and domain controller info */
 709             FIXME("level 1 not implemented!\n");
 710             *pbuffer = NULL;
 711             return NERR_InternalError;
 712         case 2:
 713         {
 714             /* return domain name and identifier */
 715             PUSER_MODALS_INFO_2 umi;
 716             LSA_HANDLE policyHandle;
 717             LSA_OBJECT_ATTRIBUTES objectAttributes;
 718             PPOLICY_ACCOUNT_DOMAIN_INFO domainInfo;
 719             NTSTATUS ntStatus;
 720             PSID domainIdentifier = NULL;
 721             int domainNameLen;
 722
 723             ZeroMemory(&objectAttributes, sizeof(objectAttributes));
 724             objectAttributes.Length = sizeof(objectAttributes);
 725
 726             ntStatus = LsaOpenPolicy(NULL, &objectAttributes,
 727                                      POLICY_VIEW_LOCAL_INFORMATION,
 728                                      &policyHandle);
 729             if (ntStatus != STATUS_SUCCESS)
 730             {
 731                 WARN("LsaOpenPolicy failed with NT status %x\n",
 732                      LsaNtStatusToWinError(ntStatus));
 733                 return ntStatus;
 734             }
 735
 736             ntStatus = LsaQueryInformationPolicy(policyHandle,
 737                                                  PolicyAccountDomainInformation,
 738                                                  (PVOID *)&domainInfo);
 739             if (ntStatus != STATUS_SUCCESS)
 740             {
 741                 WARN("LsaQueryInformationPolicy failed with NT status %x\n",
 742                      LsaNtStatusToWinError(ntStatus));
 743                 LsaClose(policyHandle);
 744                 return ntStatus;
 745             }
 746
 747             domainIdentifier = domainInfo->DomainSid;
 748             domainNameLen = lstrlenW(domainInfo->DomainName.Buffer) + 1;
 749             LsaClose(policyHandle);
 750
 751             ntStatus = NetApiBufferAllocate(sizeof(USER_MODALS_INFO_2) +
 752                                             GetLengthSid(domainIdentifier) +
 753                                             domainNameLen * sizeof(WCHAR),
 754                                             (LPVOID *)pbuffer);
 755
 756             if (ntStatus != NERR_Success)
 757             {
 758                 WARN("NetApiBufferAllocate() failed\n");
 759                 LsaFreeMemory(domainInfo);
 760                 return ntStatus;
 761             }
 762
 763             umi = (USER_MODALS_INFO_2 *) *pbuffer;
 764             umi->usrmod2_domain_id = (PSID)(*pbuffer +
 765                 sizeof(USER_MODALS_INFO_2));
 766             umi->usrmod2_domain_name = (LPWSTR)(*pbuffer +
 767                 sizeof(USER_MODALS_INFO_2) + GetLengthSid(domainIdentifier));
 768
 769             lstrcpynW(umi->usrmod2_domain_name,
 770                       domainInfo->DomainName.Buffer,
 771                       domainNameLen);
 772             CopySid(GetLengthSid(domainIdentifier), umi->usrmod2_domain_id,
 773                     domainIdentifier);
 774
 775             LsaFreeMemory(domainInfo);
 776
 777             break;
 778         }
 779         case 3:
 780             /* return lockout information */
 781             FIXME("level 3 not implemented!\n");
 782             *pbuffer = NULL;
 783             return NERR_InternalError;
 784         default:
 785             TRACE("Invalid level %d is specified\n", level);
 786             *pbuffer = NULL;
 787             return ERROR_INVALID_LEVEL;
 788     }
 789
 790     return NERR_Success;
 791 }
 792
 793 /******************************************************************************
 794  *                NetUserChangePassword  (NETAPI32.@)
 795  * PARAMS
 796  *  domainname  [I] Optional. Domain on which the user resides or the logon
 797  *                  domain of the current user if NULL.
 798  *  username    [I] Optional. Username to change the password for or the name
 799  *                  of the current user if NULL.
 800  *  oldpassword [I] The user's current password.
 801  *  newpassword [I] The password that the user will be changed to using.
 802  *
 803  * RETURNS
 804  *  Success: NERR_Success.
 805  *  Failure: NERR_* failure code or win error code.
 806  *
 807  */
 808 NET_API_STATUS WINAPI NetUserChangePassword(LPCWSTR domainname, LPCWSTR username,
 809     LPCWSTR oldpassword, LPCWSTR newpassword)
 810 {
 811     struct sam_user *user;
 812
 813     TRACE("(%s, %s, ..., ...)\n", debugstr_w(domainname), debugstr_w(username));
 814
 815     if(domainname)
 816         FIXME("Ignoring domainname %s.\n", debugstr_w(domainname));
 817
 818     if((user = NETAPI_FindUser(username)) == NULL)
 819         return NERR_UserNotFound;
 820
 821     if(lstrcmpW(user->user_password, oldpassword) != 0)
 822         return ERROR_INVALID_PASSWORD;
 823
 824     if(lstrlenW(newpassword) > PWLEN)
 825         return ERROR_PASSWORD_RESTRICTION;
 826
 827     lstrcpyW(user->user_password, newpassword);
 828
 829     return NERR_Success;
 830 }
 831
 832 NET_API_STATUS WINAPI NetUseAdd(LMSTR servername, DWORD level, LPBYTE bufptr, LPDWORD parm_err)
 833 {
 834     FIXME("%s %d %p %p stub\n", debugstr_w(servername), level, bufptr, parm_err);
 835     return NERR_Success;
 836 }