source4/auth/system_session.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Authentication utility functions
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Andrew Bartlett 2001-2010
   6    Copyright (C) Jeremy Allison 2000-2001
   7    Copyright (C) Rafal Szczesniak 2002
   8    Copyright (C) Stefan Metzmacher 2005
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "libcli/security/security.h"
  26 #include "auth/credentials/credentials.h"
  27 #include "param/param.h"
  28 #include "auth/auth.h" /* for auth_serversupplied_info */
  29 #include "auth/session.h"
  30 #include "auth/system_session_proto.h"
  31
  32 /**
  33  * Create the SID list for this user.
  34  *
  35  * @note Specialised version for system sessions that doesn't use the SAM.
  36  */
  37 static NTSTATUS create_token(TALLOC_CTX *mem_ctx,
  38                              struct dom_sid *user_sid,
  39                              struct dom_sid *group_sid,
  40                              unsigned int n_groupSIDs,
  41                              struct dom_sid **groupSIDs,
  42                              bool is_authenticated,
  43                              struct security_token **token)
  44 {
  45         struct security_token *ptoken;
  46         unsigned int i;
  47
  48         ptoken = security_token_initialise(mem_ctx);
  49         NT_STATUS_HAVE_NO_MEMORY(ptoken);
  50
  51         ptoken->sids = talloc_array(ptoken, struct dom_sid *, n_groupSIDs + 5);
  52         NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
  53
  54         ptoken->user_sid = talloc_reference(ptoken, user_sid);
  55         ptoken->group_sid = talloc_reference(ptoken, group_sid);
  56         ptoken->privilege_mask = 0;
  57
  58         ptoken->sids[0] = ptoken->user_sid;
  59         ptoken->sids[1] = ptoken->group_sid;
  60
  61         /*
  62          * Finally add the "standard" SIDs.
  63          * The only difference between guest and "anonymous"
  64          * is the addition of Authenticated_Users.
  65          */
  66         ptoken->sids[2] = dom_sid_parse_talloc(ptoken->sids, SID_WORLD);
  67         NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[2]);
  68         ptoken->sids[3] = dom_sid_parse_talloc(ptoken->sids, SID_NT_NETWORK);
  69         NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[3]);
  70         ptoken->num_sids = 4;
  71
  72         if (is_authenticated) {
  73                 ptoken->sids[4] = dom_sid_parse_talloc(ptoken->sids, SID_NT_AUTHENTICATED_USERS);
  74                 NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[4]);
  75                 ptoken->num_sids++;
  76         }
  77
  78         for (i = 0; i < n_groupSIDs; i++) {
  79                 size_t check_sid_idx;
  80                 for (check_sid_idx = 1;
  81                      check_sid_idx < ptoken->num_sids;
  82                      check_sid_idx++) {
  83                         if (dom_sid_equal(ptoken->sids[check_sid_idx], groupSIDs[i])) {
  84                                 break;
  85                         }
  86                 }
  87
  88                 if (check_sid_idx == ptoken->num_sids) {
  89                         ptoken->sids[ptoken->num_sids++] = talloc_reference(ptoken->sids, groupSIDs[i]);
  90                 }
  91         }
  92
  93         *token = ptoken;
  94
  95         /* Shortcuts to prevent recursion and avoid lookups */
  96         if (ptoken->user_sid == NULL) {
  97                 ptoken->privilege_mask = 0;
  98                 return NT_STATUS_OK;
  99         }
 100
 101         if (security_token_is_system(ptoken)) {
 102                 ptoken->privilege_mask = ~0;
 103                 return NT_STATUS_OK;
 104         }
 105
 106         if (security_token_is_anonymous(ptoken)) {
 107                 ptoken->privilege_mask = 0;
 108                 return NT_STATUS_OK;
 109         }
 110
 111         /* All other 'users' get a empty priv set so far */
 112         ptoken->privilege_mask = 0;
 113         return NT_STATUS_OK;
 114 }
 115
 116 NTSTATUS auth_generate_simple_session_info(TALLOC_CTX *mem_ctx,
 117                                            struct auth_serversupplied_info *server_info,
 118                                            struct auth_session_info **_session_info)
 119 {
 120         struct auth_session_info *session_info;
 121         NTSTATUS nt_status;
 122
 123         session_info = talloc(mem_ctx, struct auth_session_info);
 124         NT_STATUS_HAVE_NO_MEMORY(session_info);
 125
 126         session_info->server_info = talloc_reference(session_info, server_info);
 127
 128         /* unless set otherwise, the session key is the user session
 129          * key from the auth subsystem */
 130         session_info->session_key = server_info->user_session_key;
 131
 132         nt_status = create_token(session_info,
 133                                           server_info->account_sid,
 134                                           server_info->primary_group_sid,
 135                                           server_info->n_domain_groups,
 136                                           server_info->domain_groups,
 137                                           server_info->authenticated,
 138                                           &session_info->security_token);
 139         NT_STATUS_NOT_OK_RETURN(nt_status);
 140
 141         session_info->credentials = NULL;
 142
 143         *_session_info = session_info;
 144         return NT_STATUS_OK;
 145 }
 146
 147
 148 /*
 149   prevent the static system session being freed
 150  */
 151 static int system_session_destructor(struct auth_session_info *info)
 152 {
 153         return -1;
 154 }
 155
 156 /* Create a security token for a session SYSTEM (the most
 157  * trusted/prvilaged account), including the local machine account as
 158  * the off-host credentials
 159  */
 160 _PUBLIC_ struct auth_session_info *system_session(struct loadparm_context *lp_ctx)
 161 {
 162         static struct auth_session_info *static_session;
 163         NTSTATUS nt_status;
 164
 165         if (static_session) {
 166                 return static_session;
 167         }
 168
 169         nt_status = auth_system_session_info(talloc_autofree_context(),
 170                                              lp_ctx,
 171                                              &static_session);
 172         if (!NT_STATUS_IS_OK(nt_status)) {
 173                 talloc_free(static_session);
 174                 static_session = NULL;
 175                 return NULL;
 176         }
 177         talloc_set_destructor(static_session, system_session_destructor);
 178         return static_session;
 179 }
 180
 181 static NTSTATUS _auth_system_session_info(TALLOC_CTX *parent_ctx,
 182                                           struct loadparm_context *lp_ctx,
 183                                           bool anonymous_credentials,
 184                                           struct auth_session_info **_session_info)
 185 {
 186         NTSTATUS nt_status;
 187         struct auth_serversupplied_info *server_info = NULL;
 188         struct auth_session_info *session_info = NULL;
 189         TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
 190
 191         nt_status = auth_system_server_info(mem_ctx, lpcfg_netbios_name(lp_ctx),
 192                                             &server_info);
 193         if (!NT_STATUS_IS_OK(nt_status)) {
 194                 talloc_free(mem_ctx);
 195                 return nt_status;
 196         }
 197
 198         /* references the server_info into the session_info */
 199         nt_status = auth_generate_simple_session_info(parent_ctx, server_info, &session_info);
 200         talloc_free(mem_ctx);
 201
 202         NT_STATUS_NOT_OK_RETURN(nt_status);
 203
 204         session_info->credentials = cli_credentials_init(session_info);
 205         if (!session_info->credentials) {
 206                 return NT_STATUS_NO_MEMORY;
 207         }
 208
 209         cli_credentials_set_conf(session_info->credentials, lp_ctx);
 210
 211         if (anonymous_credentials) {
 212                 cli_credentials_set_anonymous(session_info->credentials);
 213         } else {
 214                 cli_credentials_set_machine_account_pending(session_info->credentials, lp_ctx);
 215         }
 216         *_session_info = session_info;
 217
 218         return NT_STATUS_OK;
 219 }
 220
 221 /*
 222   Create a system session, but with anonymous credentials (so we do not need to open secrets.ldb)
 223 */
 224 _PUBLIC_ struct auth_session_info *system_session_anon(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx)
 225 {
 226         NTSTATUS nt_status;
 227         struct auth_session_info *session_info = NULL;
 228         nt_status = _auth_system_session_info(mem_ctx, lp_ctx, true, &session_info);
 229         if (!NT_STATUS_IS_OK(nt_status)) {
 230                 return NULL;
 231         }
 232         return session_info;
 233 }
 234
 235
 236
 237 _PUBLIC_ NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
 238                                            struct loadparm_context *lp_ctx,
 239                                            struct auth_session_info **_session_info)
 240 {
 241         return _auth_system_session_info(parent_ctx,
 242                         lp_ctx,
 243                         lpcfg_parm_bool(lp_ctx, NULL, "system", "anonymous", false),
 244                         _session_info);
 245 }
 246
 247 NTSTATUS auth_system_server_info(TALLOC_CTX *mem_ctx, const char *netbios_name,
 248                                  struct auth_serversupplied_info **_server_info)
 249 {
 250         struct auth_serversupplied_info *server_info;
 251
 252         server_info = talloc(mem_ctx, struct auth_serversupplied_info);
 253         NT_STATUS_HAVE_NO_MEMORY(server_info);
 254
 255         server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_SYSTEM);
 256         NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
 257
 258         /* is this correct? */
 259         server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS);
 260         NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
 261
 262         server_info->n_domain_groups = 0;
 263         server_info->domain_groups = NULL;
 264
 265         /* annoying, but the Anonymous really does have a session key,
 266            and it is all zeros! */
 267         server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
 268         NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
 269
 270         server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
 271         NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
 272
 273         data_blob_clear(&server_info->user_session_key);
 274         data_blob_clear(&server_info->lm_session_key);
 275
 276         server_info->account_name = talloc_strdup(server_info, "SYSTEM");
 277         NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
 278
 279         server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
 280         NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
 281
 282         server_info->full_name = talloc_strdup(server_info, "System");
 283         NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
 284
 285         server_info->logon_script = talloc_strdup(server_info, "");
 286         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
 287
 288         server_info->profile_path = talloc_strdup(server_info, "");
 289         NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
 290
 291         server_info->home_directory = talloc_strdup(server_info, "");
 292         NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
 293
 294         server_info->home_drive = talloc_strdup(server_info, "");
 295         NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
 296
 297         server_info->logon_server = talloc_strdup(server_info, netbios_name);
 298         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
 299
 300         server_info->last_logon = 0;
 301         server_info->last_logoff = 0;
 302         server_info->acct_expiry = 0;
 303         server_info->last_password_change = 0;
 304         server_info->allow_password_change = 0;
 305         server_info->force_password_change = 0;
 306
 307         server_info->logon_count = 0;
 308         server_info->bad_password_count = 0;
 309
 310         server_info->acct_flags = ACB_NORMAL;
 311
 312         server_info->authenticated = true;
 313
 314         *_server_info = server_info;
 315
 316         return NT_STATUS_OK;
 317 }
 318
 319
 320 /* Create server info for the Administrator account. This should only be used
 321  * during provisioning when we need to impersonate Administrator but
 322  * the account has not been created yet */
 323
 324 static NTSTATUS create_admin_token(TALLOC_CTX *mem_ctx,
 325                                    struct dom_sid *user_sid,
 326                                    struct dom_sid *group_sid,
 327                                    unsigned int n_groupSIDs,
 328                                    struct dom_sid **groupSIDs,
 329                                    struct security_token **token)
 330 {
 331         struct security_token *ptoken;
 332         unsigned int i;
 333
 334         ptoken = security_token_initialise(mem_ctx);
 335         NT_STATUS_HAVE_NO_MEMORY(ptoken);
 336
 337         ptoken->sids = talloc_array(ptoken, struct dom_sid *, n_groupSIDs + 3);
 338         NT_STATUS_HAVE_NO_MEMORY(ptoken->sids);
 339
 340         ptoken->user_sid = talloc_reference(ptoken, user_sid);
 341         ptoken->group_sid = talloc_reference(ptoken, group_sid);
 342         ptoken->privilege_mask = 0;
 343
 344         ptoken->sids[0] = ptoken->user_sid;
 345         ptoken->sids[1] = ptoken->group_sid;
 346         ptoken->sids[2] = dom_sid_parse_talloc(ptoken->sids, SID_NT_AUTHENTICATED_USERS);
 347         NT_STATUS_HAVE_NO_MEMORY(ptoken->sids[2]);
 348         ptoken->num_sids = 3;
 349
 350
 351         for (i = 0; i < n_groupSIDs; i++) {
 352                 size_t check_sid_idx;
 353                 for (check_sid_idx = 1;
 354                      check_sid_idx < ptoken->num_sids;
 355                      check_sid_idx++) {
 356                         if (dom_sid_equal(ptoken->sids[check_sid_idx], groupSIDs[i])) {
 357                                 break;
 358                         }
 359                 }
 360
 361                 if (check_sid_idx == ptoken->num_sids) {
 362                         ptoken->sids[ptoken->num_sids++] = talloc_reference(ptoken->sids, groupSIDs[i]);
 363                 }
 364         }
 365
 366         *token = ptoken;
 367         ptoken->privilege_mask = ~0;
 368         return NT_STATUS_OK;
 369 }
 370
 371 static NTSTATUS auth_domain_admin_server_info(TALLOC_CTX *mem_ctx,
 372                                               const char *netbios_name,
 373                                               const char *domain_name,
 374                                               struct dom_sid *domain_sid,
 375                                               struct auth_serversupplied_info **_server_info)
 376 {
 377         struct auth_serversupplied_info *server_info;
 378
 379         server_info = talloc(mem_ctx, struct auth_serversupplied_info);
 380         NT_STATUS_HAVE_NO_MEMORY(server_info);
 381
 382         server_info->account_sid = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ADMINISTRATOR);
 383         NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
 384
 385         server_info->primary_group_sid = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_USERS);
 386         NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
 387
 388         server_info->n_domain_groups = 6;
 389         server_info->domain_groups = talloc_array(server_info, struct dom_sid *, server_info->n_domain_groups);
 390
 391         server_info->domain_groups[0] = dom_sid_parse_talloc(server_info, SID_BUILTIN_ADMINISTRATORS);
 392         server_info->domain_groups[1] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ADMINS);
 393         server_info->domain_groups[2] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_USERS);
 394         server_info->domain_groups[3] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_ENTERPRISE_ADMINS);
 395         server_info->domain_groups[4] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_POLICY_ADMINS);
 396         server_info->domain_groups[5] = dom_sid_add_rid(server_info, domain_sid, DOMAIN_RID_SCHEMA_ADMINS);
 397
 398         /* What should the session key be?*/
 399         server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
 400         NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
 401
 402         server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
 403         NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
 404
 405         data_blob_clear(&server_info->user_session_key);
 406         data_blob_clear(&server_info->lm_session_key);
 407
 408         server_info->account_name = talloc_strdup(server_info, "Administrator");
 409         NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
 410
 411         server_info->domain_name = talloc_strdup(server_info, domain_name);
 412         NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
 413
 414         server_info->full_name = talloc_strdup(server_info, "Administrator");
 415         NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
 416
 417         server_info->logon_script = talloc_strdup(server_info, "");
 418         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
 419
 420         server_info->profile_path = talloc_strdup(server_info, "");
 421         NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
 422
 423         server_info->home_directory = talloc_strdup(server_info, "");
 424         NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
 425
 426         server_info->home_drive = talloc_strdup(server_info, "");
 427         NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
 428
 429         server_info->logon_server = talloc_strdup(server_info, netbios_name);
 430         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
 431
 432         server_info->last_logon = 0;
 433         server_info->last_logoff = 0;
 434         server_info->acct_expiry = 0;
 435         server_info->last_password_change = 0;
 436         server_info->allow_password_change = 0;
 437         server_info->force_password_change = 0;
 438
 439         server_info->logon_count = 0;
 440         server_info->bad_password_count = 0;
 441
 442         server_info->acct_flags = ACB_NORMAL;
 443
 444         server_info->authenticated = true;
 445
 446         *_server_info = server_info;
 447
 448         return NT_STATUS_OK;
 449 }
 450
 451 static NTSTATUS auth_domain_admin_session_info(TALLOC_CTX *parent_ctx,
 452                                                struct loadparm_context *lp_ctx,
 453                                                struct dom_sid *domain_sid,
 454                                                struct auth_session_info **_session_info)
 455 {
 456         NTSTATUS nt_status;
 457         struct auth_serversupplied_info *server_info = NULL;
 458         struct auth_session_info *session_info = NULL;
 459         TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
 460
 461         nt_status = auth_domain_admin_server_info(mem_ctx, lpcfg_netbios_name(lp_ctx),
 462                                                   lpcfg_workgroup(lp_ctx), domain_sid,
 463                                                   &server_info);
 464         if (!NT_STATUS_IS_OK(nt_status)) {
 465                 talloc_free(mem_ctx);
 466                 return nt_status;
 467         }
 468
 469         session_info = talloc(mem_ctx, struct auth_session_info);
 470         NT_STATUS_HAVE_NO_MEMORY(session_info);
 471
 472         session_info->server_info = talloc_reference(session_info, server_info);
 473
 474         /* unless set otherwise, the session key is the user session
 475          * key from the auth subsystem */
 476         session_info->session_key = server_info->user_session_key;
 477
 478         nt_status = create_admin_token(session_info,
 479                                        server_info->account_sid,
 480                                        server_info->primary_group_sid,
 481                                        server_info->n_domain_groups,
 482                                        server_info->domain_groups,
 483                                        &session_info->security_token);
 484         NT_STATUS_NOT_OK_RETURN(nt_status);
 485
 486         session_info->credentials = cli_credentials_init(session_info);
 487         if (!session_info->credentials) {
 488                 return NT_STATUS_NO_MEMORY;
 489         }
 490
 491         cli_credentials_set_conf(session_info->credentials, lp_ctx);
 492
 493         *_session_info = session_info;
 494
 495         return NT_STATUS_OK;
 496 }
 497
 498 _PUBLIC_ struct auth_session_info *admin_session(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct dom_sid *domain_sid)
 499 {
 500         NTSTATUS nt_status;
 501         struct auth_session_info *session_info = NULL;
 502         nt_status = auth_domain_admin_session_info(mem_ctx,
 503                                                    lp_ctx,
 504                                                    domain_sid,
 505                                                    &session_info);
 506         if (!NT_STATUS_IS_OK(nt_status)) {
 507                 return NULL;
 508         }
 509         return session_info;
 510 }
 511
 512 _PUBLIC_ NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx,
 513                                               struct loadparm_context *lp_ctx,
 514                                               struct auth_session_info **_session_info)
 515 {
 516         NTSTATUS nt_status;
 517         struct auth_serversupplied_info *server_info = NULL;
 518         struct auth_session_info *session_info = NULL;
 519         TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
 520
 521         nt_status = auth_anonymous_server_info(mem_ctx,
 522                                                lpcfg_netbios_name(lp_ctx),
 523                                                &server_info);
 524         if (!NT_STATUS_IS_OK(nt_status)) {
 525                 talloc_free(mem_ctx);
 526                 return nt_status;
 527         }
 528
 529         /* references the server_info into the session_info */
 530         nt_status = auth_generate_simple_session_info(parent_ctx, server_info, &session_info);
 531         talloc_free(mem_ctx);
 532
 533         NT_STATUS_NOT_OK_RETURN(nt_status);
 534
 535         session_info->credentials = cli_credentials_init(session_info);
 536         if (!session_info->credentials) {
 537                 return NT_STATUS_NO_MEMORY;
 538         }
 539
 540         cli_credentials_set_conf(session_info->credentials, lp_ctx);
 541         cli_credentials_set_anonymous(session_info->credentials);
 542
 543         *_session_info = session_info;
 544
 545         return NT_STATUS_OK;
 546 }
 547
 548 _PUBLIC_ NTSTATUS auth_anonymous_server_info(TALLOC_CTX *mem_ctx,
 549                                     const char *netbios_name,
 550                                     struct auth_serversupplied_info **_server_info)
 551 {
 552         struct auth_serversupplied_info *server_info;
 553         server_info = talloc(mem_ctx, struct auth_serversupplied_info);
 554         NT_STATUS_HAVE_NO_MEMORY(server_info);
 555
 556         server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
 557         NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
 558
 559         /* is this correct? */
 560         server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
 561         NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
 562
 563         server_info->n_domain_groups = 0;
 564         server_info->domain_groups = NULL;
 565
 566         /* annoying, but the Anonymous really does have a session key... */
 567         server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
 568         NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
 569
 570         server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
 571         NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
 572
 573         /*  and it is all zeros! */
 574         data_blob_clear(&server_info->user_session_key);
 575         data_blob_clear(&server_info->lm_session_key);
 576
 577         server_info->account_name = talloc_strdup(server_info, "ANONYMOUS LOGON");
 578         NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
 579
 580         server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
 581         NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
 582
 583         server_info->full_name = talloc_strdup(server_info, "Anonymous Logon");
 584         NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
 585
 586         server_info->logon_script = talloc_strdup(server_info, "");
 587         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
 588
 589         server_info->profile_path = talloc_strdup(server_info, "");
 590         NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
 591
 592         server_info->home_directory = talloc_strdup(server_info, "");
 593         NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
 594
 595         server_info->home_drive = talloc_strdup(server_info, "");
 596         NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
 597
 598         server_info->logon_server = talloc_strdup(server_info, netbios_name);
 599         NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
 600
 601         server_info->last_logon = 0;
 602         server_info->last_logoff = 0;
 603         server_info->acct_expiry = 0;
 604         server_info->last_password_change = 0;
 605         server_info->allow_password_change = 0;
 606         server_info->force_password_change = 0;
 607
 608         server_info->logon_count = 0;
 609         server_info->bad_password_count = 0;
 610
 611         server_info->acct_flags = ACB_NORMAL;
 612
 613         server_info->authenticated = false;
 614
 615         *_server_info = server_info;
 616
 617         return NT_STATUS_OK;
 618 }
 619