source4/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "libcli/cldap/cldap.h"
  29 #include "include/secrets.h"
  30 #include "dsdb/samdb/samdb.h"
  31
  32 /*
  33  * find out Site specific stuff:
  34  * 1.) setup an CLDAP socket
  35  * 2.) lookup the Site name
  36  * 3.) Add entry CN=<netbios name>,CN=Servers,CN=<site name>,CN=Sites,CN=Configuration,<domain dn>.
  37  * TODO: 4.) use DsAddEntry() to create CN=NTDS Settings,CN=<netbios name>,CN=Servers,CN=<site name>...
  38  */
  39 static NTSTATUS libnet_JoinSite(struct libnet_context *ctx,
  40                                 struct dcerpc_pipe *drsuapi_pipe,
  41                                 struct policy_handle drsuapi_bind_handle,
  42                                 struct ldb_context *remote_ldb,
  43                                 struct libnet_JoinDomain *libnet_r)
  44 {
  45         NTSTATUS status;
  46         TALLOC_CTX *tmp_ctx;
  47
  48         struct cldap_socket *cldap = NULL;
  49         struct cldap_netlogon search;
  50
  51         struct ldb_dn *server_dn;
  52         struct ldb_message *msg;
  53         int rtn;
  54
  55         const char *site_name;
  56         const char *server_dn_str;
  57         const char *config_dn_str;
  58
  59         tmp_ctx = talloc_named(libnet_r, 0, "libnet_JoinSite temp context");
  60         if (!tmp_ctx) {
  61                 libnet_r->out.error_string = NULL;
  62                 return NT_STATUS_NO_MEMORY;
  63         }
  64
  65         /* Resolve the site name. */
  66
  67         ZERO_STRUCT(search);
  68         search.in.dest_address = libnet_r->out.samr_binding->host;
  69         search.in.acct_control = -1;
  70         search.in.version = 6;
  71
  72         cldap = cldap_socket_init(tmp_ctx, NULL);
  73         status = cldap_netlogon(cldap, tmp_ctx, &search);
  74         if (!NT_STATUS_IS_OK(status)) {
  75                 /* Default to using Default-First-Site-Name rather than returning status at this point. */
  76                 site_name = talloc_asprintf(tmp_ctx, "%s", "Default-First-Site-Name");
  77                 if (!site_name) {
  78                         libnet_r->out.error_string = NULL;
  79                         talloc_free(tmp_ctx);
  80                         return NT_STATUS_NO_MEMORY;
  81                 }
  82         } else {
  83                 site_name = search.out.netlogon.logon5.site_name;
  84         }
  85
  86         config_dn_str = talloc_asprintf(tmp_ctx, "CN=Configuration,%s", libnet_r->out.domain_dn_str);
  87         if (!config_dn_str) {
  88                 libnet_r->out.error_string = NULL;
  89                 talloc_free(tmp_ctx);
  90                 return NT_STATUS_NO_MEMORY;
  91         }
  92
  93         server_dn_str = talloc_asprintf(tmp_ctx, "CN=%s,CN=Servers,CN=%s,CN=Sites,%s",
  94                                                  libnet_r->in.netbios_name, site_name, config_dn_str);
  95         if (!server_dn_str) {
  96                 libnet_r->out.error_string = NULL;
  97                 talloc_free(tmp_ctx);
  98                 return NT_STATUS_NO_MEMORY;
  99         }
 100
 101         /*
 102          Add entry CN=<netbios name>,CN=Servers,CN=<site name>,CN=Sites,CN=Configuration,<domain dn>.
 103         */
 104         msg = ldb_msg_new(tmp_ctx);
 105         if (!msg) {
 106                 libnet_r->out.error_string = NULL;
 107                 talloc_free(tmp_ctx);
 108                 return NT_STATUS_NO_MEMORY;
 109         }
 110
 111         rtn = ldb_msg_add_string(msg, "objectClass", "server");
 112         if (rtn != 0) {
 113                 libnet_r->out.error_string = NULL;
 114                 talloc_free(tmp_ctx);
 115                 return NT_STATUS_NO_MEMORY;
 116         }
 117         rtn = ldb_msg_add_string(msg, "systemFlags", "50000000");
 118         if (rtn != 0) {
 119                 libnet_r->out.error_string = NULL;
 120                 talloc_free(tmp_ctx);
 121                 return NT_STATUS_NO_MEMORY;
 122         }
 123         rtn = ldb_msg_add_string(msg, "serverReference",libnet_r->out.account_dn_str);
 124         if (rtn != 0) {
 125                 libnet_r->out.error_string = NULL;
 126                 talloc_free(tmp_ctx);
 127                 return NT_STATUS_NO_MEMORY;
 128         }
 129
 130         server_dn = ldb_dn_explode(tmp_ctx, server_dn_str);
 131         if (server_dn == NULL) {
 132                 libnet_r->out.error_string = talloc_asprintf(libnet_r,
 133                                         "Invalid server dn: %s",
 134                                         server_dn_str);
 135                 talloc_free(tmp_ctx);
 136                 return NT_STATUS_UNSUCCESSFUL;
 137         }
 138
 139         msg->dn = server_dn;
 140
 141         rtn = ldb_add(remote_ldb, msg);
 142         if (rtn == LDB_ERR_ENTRY_ALREADY_EXISTS) {
 143                 int i;
 144
 145                 /* make a 'modify' msg, and only for serverReference */
 146                 msg = ldb_msg_new(tmp_ctx);
 147                 if (!msg) {
 148                         libnet_r->out.error_string = NULL;
 149                         talloc_free(tmp_ctx);
 150                         return NT_STATUS_NO_MEMORY;
 151                 }
 152                 msg->dn = server_dn;
 153
 154                 rtn = ldb_msg_add_string(msg, "serverReference",libnet_r->out.account_dn_str);
 155                 if (rtn != 0) {
 156                         libnet_r->out.error_string = NULL;
 157                         talloc_free(tmp_ctx);
 158                         return NT_STATUS_NO_MEMORY;
 159                 }
 160
 161                 /* mark all the message elements (should be just one)
 162                    as LDB_FLAG_MOD_REPLACE */
 163                 for (i=0;i<msg->num_elements;i++) {
 164                         msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
 165                 }
 166
 167                 rtn = ldb_modify(remote_ldb, msg);
 168                 if (rtn != 0) {
 169                         libnet_r->out.error_string
 170                                 = talloc_asprintf(libnet_r,
 171                                                   "Failed to modify server entry %s: %s: %d",
 172                                                   server_dn_str,
 173                                                   ldb_errstring(remote_ldb), rtn);
 174                         talloc_free(tmp_ctx);
 175                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 176                 }
 177         } else if (rtn != 0) {
 178                 libnet_r->out.error_string
 179                         = talloc_asprintf(libnet_r,
 180                                 "Failed to add server entry %s: %s: %d",
 181                                 server_dn_str,
 182                                           ldb_errstring(remote_ldb), rtn);
 183                 talloc_free(tmp_ctx);
 184                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
 185         }
 186         DEBUG(0, ("We still need to perform a DsAddEntry() so that we can create the CN=NTDS Settings container.\n"));
 187
 188         /* Store the server DN in libnet_r */
 189         libnet_r->out.server_dn_str = server_dn_str;
 190         talloc_steal(libnet_r, server_dn_str);
 191
 192         talloc_free(tmp_ctx);
 193         return NT_STATUS_OK;
 194 }
 195
 196 /*
 197  * complete a domain join, when joining to a AD domain:
 198  * 1.) connect and bind to the DRSUAPI pipe
 199  * 2.) do a DsCrackNames() to find the machine account dn
 200  * 3.) connect to LDAP
 201  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
 202  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
 203  * 6.) do a DsCrackNames() to find the domain dn
 204  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
 205  */
 206 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
 207 {
 208         NTSTATUS status;
 209
 210         TALLOC_CTX *tmp_ctx;
 211
 212         const char *realm = r->out.realm;
 213
 214         struct dcerpc_binding *samr_binding = r->out.samr_binding;
 215
 216         struct dcerpc_pipe *drsuapi_pipe;
 217         struct dcerpc_binding *drsuapi_binding;
 218         struct drsuapi_DsBind r_drsuapi_bind;
 219         struct drsuapi_DsCrackNames r_crack_names;
 220         struct drsuapi_DsNameString names[1];
 221         struct policy_handle drsuapi_bind_handle;
 222         struct GUID drsuapi_bind_guid;
 223
 224         struct ldb_context *remote_ldb;
 225         const struct ldb_dn *account_dn;
 226         const char *account_dn_str;
 227         const char *remote_ldb_url;
 228         struct ldb_result *res;
 229         struct ldb_message *msg;
 230
 231         int ret, rtn;
 232
 233         unsigned int kvno;
 234
 235         const char * const attrs[] = {
 236                 "msDS-KeyVersionNumber",
 237                 "servicePrincipalName",
 238                 "dNSHostName",
 239                 NULL,
 240         };
 241
 242         r->out.error_string = NULL;
 243
 244         /* We need to convert between a samAccountName and domain to a
 245          * DN in the directory.  The correct way to do this is with
 246          * DRSUAPI CrackNames */
 247
 248         /* Fiddle with the bindings, so get to DRSUAPI on
 249          * NCACN_IP_TCP, sealed */
 250         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
 251         if (!tmp_ctx) {
 252                 r->out.error_string = NULL;
 253                 return NT_STATUS_NO_MEMORY;
 254         }
 255
 256         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
 257         if (!drsuapi_binding) {
 258                 r->out.error_string = NULL;
 259                 talloc_free(tmp_ctx);
 260                 return NT_STATUS_NO_MEMORY;
 261         }
 262
 263         *drsuapi_binding = *samr_binding;
 264
 265         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 266         if (drsuapi_binding->transport != NCALRPC) {
 267                 drsuapi_binding->transport = NCACN_IP_TCP;
 268         }
 269         drsuapi_binding->endpoint = NULL;
 270         drsuapi_binding->flags |= DCERPC_SEAL;
 271
 272         status = dcerpc_pipe_connect_b(tmp_ctx,
 273                                        &drsuapi_pipe,
 274                                        drsuapi_binding,
 275                                            &dcerpc_table_drsuapi,
 276                                        ctx->cred,
 277                                        ctx->event_ctx);
 278         if (!NT_STATUS_IS_OK(status)) {
 279                 r->out.error_string = talloc_asprintf(r,
 280                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 281                                         r->in.domain_name,
 282                                         nt_errstr(status));
 283                 talloc_free(tmp_ctx);
 284                 return status;
 285         }
 286
 287         /* get a DRSUAPI pipe handle */
 288         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 289
 290         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 291         r_drsuapi_bind.in.bind_info = NULL;
 292         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 293
 294         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 295         if (!NT_STATUS_IS_OK(status)) {
 296                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 297                         r->out.error_string
 298                                 = talloc_asprintf(r,
 299                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 300                                                   r->in.domain_name, r->in.account_name,
 301                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 302                         talloc_free(tmp_ctx);
 303                         return status;
 304                 } else {
 305                         r->out.error_string
 306                                 = talloc_asprintf(r,
 307                                                   "dcerpc_drsuapi_DsBind for [%s\\%s] failed - %s\n",
 308                                                   r->in.domain_name, r->in.account_name,
 309                                                   nt_errstr(status));
 310                         talloc_free(tmp_ctx);
 311                         return status;
 312                 }
 313         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 314                 r->out.error_string
 315                                 = talloc_asprintf(r,
 316                                                   "DsBind failed - %s\n",
 317                                                   win_errstr(r_drsuapi_bind.out.result));
 318                         talloc_free(tmp_ctx);
 319                 return NT_STATUS_UNSUCCESSFUL;
 320         }
 321
 322         /* Actually 'crack' the names */
 323         ZERO_STRUCT(r_crack_names);
 324         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 325         r_crack_names.in.level                  = 1;
 326         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 327         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 328         r_crack_names.in.req.req1.count         = 1;
 329         r_crack_names.in.req.req1.names         = names;
 330         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 331         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 332         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 333         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 334         if (!names[0].str) {
 335                 r->out.error_string = NULL;
 336                 talloc_free(tmp_ctx);
 337                 return NT_STATUS_NO_MEMORY;
 338         }
 339
 340         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 341         if (!NT_STATUS_IS_OK(status)) {
 342                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 343                         r->out.error_string
 344                                 = talloc_asprintf(r,
 345                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 346                                                   names[0].str,
 347                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 348                         talloc_free(tmp_ctx);
 349                         return status;
 350                 } else {
 351                         r->out.error_string
 352                                 = talloc_asprintf(r,
 353                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 354                                                   names[0].str,
 355                                                   nt_errstr(status));
 356                         talloc_free(tmp_ctx);
 357                         return status;
 358                 }
 359         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 360                 r->out.error_string
 361                                 = talloc_asprintf(r,
 362                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 363                 talloc_free(tmp_ctx);
 364                 return NT_STATUS_UNSUCCESSFUL;
 365         } else if (r_crack_names.out.level != 1
 366                    || !r_crack_names.out.ctr.ctr1
 367                    || r_crack_names.out.ctr.ctr1->count != 1
 368                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 369                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 370                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 371                 talloc_free(tmp_ctx);
 372                 return NT_STATUS_UNSUCCESSFUL;
 373         }
 374
 375         /* Store the DN of our machine account. */
 376         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 377
 378         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 379         if (!account_dn) {
 380                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 381                                                       account_dn_str);
 382                 talloc_free(tmp_ctx);
 383                 return NT_STATUS_UNSUCCESSFUL;
 384         }
 385
 386         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 387
 388         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 389                                          drsuapi_binding->host);
 390         if (!remote_ldb_url) {
 391                 r->out.error_string = NULL;
 392                 talloc_free(tmp_ctx);
 393                 return NT_STATUS_NO_MEMORY;
 394         }
 395
 396         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 397                                       NULL, ctx->cred, 0, NULL);
 398         if (!remote_ldb) {
 399                 r->out.error_string = NULL;
 400                 talloc_free(tmp_ctx);
 401                 return NT_STATUS_UNSUCCESSFUL;
 402         }
 403
 404         /* search for the user's record */
 405         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 406                              NULL, attrs, &res);
 407         if (ret != LDB_SUCCESS || res->count != 1) {
 408                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 409                                                       account_dn_str, ldb_errstring(remote_ldb));
 410                 talloc_free(tmp_ctx);
 411                 return NT_STATUS_UNSUCCESSFUL;
 412         }
 413
 414         /* If we have a kvno recorded in AD, we need it locally as well */
 415         kvno = ldb_msg_find_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 416
 417         /* Prepare a new message, for the modify */
 418         msg = ldb_msg_new(tmp_ctx);
 419         if (!msg) {
 420                 r->out.error_string = NULL;
 421                 talloc_free(tmp_ctx);
 422                 return NT_STATUS_NO_MEMORY;
 423         }
 424         msg->dn = res->msgs[0]->dn;
 425
 426         {
 427                 int i;
 428                 const char *service_principal_name[6];
 429                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 430                                                             talloc_asprintf(tmp_ctx,
 431                                                                             "%s.%s",
 432                                                                             r->in.netbios_name,
 433                                                                             realm));
 434
 435                 if (!dns_host_name) {
 436                         r->out.error_string = NULL;
 437                         talloc_free(tmp_ctx);
 438                         return NT_STATUS_NO_MEMORY;
 439                 }
 440
 441                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 442                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 443                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 444                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 445                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 446                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 447
 448                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 449                         if (!service_principal_name[i]) {
 450                                 r->out.error_string = NULL;
 451                                 talloc_free(tmp_ctx);
 452                                 return NT_STATUS_NO_MEMORY;
 453                         }
 454                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 455                         if (rtn == -1) {
 456                                 r->out.error_string = NULL;
 457                                 talloc_free(tmp_ctx);
 458                                 return NT_STATUS_NO_MEMORY;
 459                         }
 460                 }
 461
 462                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 463                 if (rtn == -1) {
 464                         r->out.error_string = NULL;
 465                         talloc_free(tmp_ctx);
 466                         return NT_STATUS_NO_MEMORY;
 467                 }
 468
 469                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 470                 if (rtn != 0) {
 471                         r->out.error_string
 472                                 = talloc_asprintf(r,
 473                                                   "Failed to replace entries on %s\n",
 474                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 475                         talloc_free(tmp_ctx);
 476                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 477                 }
 478         }
 479
 480         /* DsCrackNames to find out the DN of the domain. */
 481         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 482         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 483         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 484         if (!names[0].str) {
 485                 r->out.error_string = NULL;
 486                 talloc_free(tmp_ctx);
 487                 return NT_STATUS_NO_MEMORY;
 488         }
 489
 490         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 491         if (!NT_STATUS_IS_OK(status)) {
 492                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 493                         r->out.error_string
 494                                 = talloc_asprintf(r,
 495                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 496                                                   r->in.domain_name,
 497                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 498                         talloc_free(tmp_ctx);
 499                         return status;
 500                 } else {
 501                         r->out.error_string
 502                                 = talloc_asprintf(r,
 503                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 504                                                   r->in.domain_name,
 505                                                   nt_errstr(status));
 506                         talloc_free(tmp_ctx);
 507                         return status;
 508                 }
 509         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 510                 r->out.error_string
 511                         = talloc_asprintf(r,
 512                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 513                 talloc_free(tmp_ctx);
 514                 return NT_STATUS_UNSUCCESSFUL;
 515         } else if (r_crack_names.out.level != 1
 516                    || !r_crack_names.out.ctr.ctr1
 517                    || r_crack_names.out.ctr.ctr1->count != 1
 518                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 519                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 520                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 521                 talloc_free(tmp_ctx);
 522                 return NT_STATUS_UNSUCCESSFUL;
 523         }
 524
 525         /* Store the account DN. */
 526         r->out.account_dn_str = account_dn_str;
 527         talloc_steal(r, account_dn_str);
 528
 529         /* Store the domain DN. */
 530         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 531         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 532
 533         r->out.kvno = kvno;
 534
 535         if (r->in.acct_type ==  ACB_SVRTRUST) {
 536                 status = libnet_JoinSite(ctx,
 537                                          drsuapi_pipe, drsuapi_bind_handle,
 538                                          remote_ldb, r);
 539         }
 540         talloc_free(tmp_ctx);
 541
 542         return status;
 543 }
 544
 545 /*
 546  * do a domain join using DCERPC/SAMR calls
 547  * 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation)
 548  *    is it correct to contact the the pdc of the domain of the user who's password should be set?
 549  * 2. do a samr_Connect to get a policy handle
 550  * 3. do a samr_LookupDomain to get the domain sid
 551  * 4. do a samr_OpenDomain to get a domain handle
 552  * 5. do a samr_CreateAccount to try and get a new account
 553  *
 554  * If that fails, do:
 555  * 5.1. do a samr_LookupNames to get the users rid
 556  * 5.2. do a samr_OpenUser to get a user handle
 557  *
 558  * 6. call libnet_SetPassword_samr_handle to set the password
 559  *
 560  * 7. do a samrSetUserInfo to set the account flags
 561  * 8. do some ADS specific things when we join as Domain Controller,
 562  *    look at libnet_joinADSDomain() for the details
 563  */
 564 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 565 {
 566         TALLOC_CTX *tmp_ctx;
 567
 568         NTSTATUS status, cu_status;
 569         struct libnet_RpcConnect *c;
 570         struct lsa_ObjectAttribute attr;
 571         struct lsa_QosInfo qos;
 572         struct lsa_OpenPolicy2 lsa_open_policy;
 573         struct policy_handle lsa_p_handle;
 574         struct lsa_QueryInfoPolicy2 lsa_query_info2;
 575         struct lsa_QueryInfoPolicy lsa_query_info;
 576
 577         struct dcerpc_binding *samr_binding;
 578         struct dcerpc_pipe *samr_pipe;
 579         struct dcerpc_pipe *lsa_pipe;
 580         struct samr_Connect sc;
 581         struct policy_handle p_handle;
 582         struct samr_OpenDomain od;
 583         struct policy_handle d_handle;
 584         struct samr_LookupNames ln;
 585         struct samr_OpenUser ou;
 586         struct samr_CreateUser2 cu;
 587         struct policy_handle *u_handle = NULL;
 588         struct samr_QueryUserInfo qui;
 589         struct samr_SetUserInfo sui;
 590         union samr_UserInfo u_info;
 591         union libnet_SetPassword r2;
 592         struct samr_GetUserPwInfo pwp;
 593         struct lsa_String samr_account_name;
 594
 595         uint32_t acct_flags, old_acct_flags;
 596         uint32_t rid, access_granted;
 597         int policy_min_pw_len = 0;
 598
 599         struct dom_sid *domain_sid = NULL;
 600         struct dom_sid *account_sid = NULL;
 601         const char *domain_name = NULL;
 602         const char *password_str = NULL;
 603         const char *realm = NULL; /* Also flag for remote being AD */
 604
 605
 606         r->out.error_string = NULL;
 607         r2.samr_handle.out.error_string = NULL;
 608
 609         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 610         if (!tmp_ctx) {
 611                 r->out.error_string = NULL;
 612                 return NT_STATUS_NO_MEMORY;
 613         }
 614
 615         u_handle = talloc(tmp_ctx, struct policy_handle);
 616         if (!u_handle) {
 617                 r->out.error_string = NULL;
 618                 talloc_free(tmp_ctx);
 619                 return NT_STATUS_NO_MEMORY;
 620         }
 621
 622         samr_pipe = talloc(tmp_ctx, struct dcerpc_pipe);
 623         if (!samr_pipe) {
 624                 r->out.error_string = NULL;
 625                 talloc_free(tmp_ctx);
 626                 return NT_STATUS_NO_MEMORY;
 627         }
 628
 629         c = talloc(tmp_ctx, struct libnet_RpcConnect);
 630         if (!c) {
 631                 r->out.error_string = NULL;
 632                 talloc_free(tmp_ctx);
 633                 return NT_STATUS_NO_MEMORY;
 634         }
 635
 636         /* prepare connect to the LSA pipe of PDC */
 637         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 638                 c->level             = LIBNET_RPC_CONNECT_PDC;
 639                 c->in.domain_name    = r->in.domain_name;
 640         } else {
 641                 c->level             = LIBNET_RPC_CONNECT_BINDING;
 642                 c->in.binding        = r->in.binding;
 643         }
 644         c->in.dcerpc_iface      = &dcerpc_table_lsarpc;
 645
 646         /* connect to the LSA pipe of the PDC */
 647
 648         status = libnet_RpcConnect(ctx, c, c);
 649         if (!NT_STATUS_IS_OK(status)) {
 650                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 651                         r->out.error_string = talloc_asprintf(mem_ctx,
 652                                                               "Connection to LSA pipe of PDC of domain '%s' failed: %s",
 653                                                               r->in.domain_name, nt_errstr(status));
 654                 } else {
 655                         r->out.error_string = talloc_asprintf(mem_ctx,
 656                                                               "Connection to LSA pipe with binding '%s' failed: %s",
 657                                                               r->in.binding, nt_errstr(status));
 658                 }
 659                 talloc_free(tmp_ctx);
 660                 return status;
 661         }
 662         lsa_pipe = c->out.dcerpc_pipe;
 663
 664         /* Get an LSA policy handle */
 665
 666         ZERO_STRUCT(lsa_p_handle);
 667         qos.len = 0;
 668         qos.impersonation_level = 2;
 669         qos.context_mode = 1;
 670         qos.effective_only = 0;
 671
 672         attr.len = 0;
 673         attr.root_dir = NULL;
 674         attr.object_name = NULL;
 675         attr.attributes = 0;
 676         attr.sec_desc = NULL;
 677         attr.sec_qos = &qos;
 678
 679         lsa_open_policy.in.attr = &attr;
 680
 681         lsa_open_policy.in.system_name = talloc_asprintf(tmp_ctx, "\\");
 682         if (!lsa_open_policy.in.system_name) {
 683                 r->out.error_string = NULL;
 684                 talloc_free(tmp_ctx);
 685                 return NT_STATUS_NO_MEMORY;
 686         }
 687
 688         lsa_open_policy.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 689         lsa_open_policy.out.handle = &lsa_p_handle;
 690
 691         status = dcerpc_lsa_OpenPolicy2(lsa_pipe, tmp_ctx, &lsa_open_policy);
 692
 693         /* This now fails on ncacn_ip_tcp against Win2k3 SP1 */
 694         if (NT_STATUS_IS_OK(status)) {
 695                 /* Look to see if this is ADS (a fault indicates NT4 or Samba 3.0) */
 696
 697                 lsa_query_info2.in.handle = &lsa_p_handle;
 698                 lsa_query_info2.in.level = LSA_POLICY_INFO_DNS;
 699
 700                 status = dcerpc_lsa_QueryInfoPolicy2(lsa_pipe, tmp_ctx,
 701                                                      &lsa_query_info2);
 702
 703                 if (!NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 704                         if (!NT_STATUS_IS_OK(status)) {
 705                                 r->out.error_string = talloc_asprintf(mem_ctx,
 706                                                                       "lsa_QueryInfoPolicy2 failed: %s",
 707                                                                       nt_errstr(status));
 708                                 talloc_free(tmp_ctx);
 709                                 return status;
 710                         }
 711                         realm = lsa_query_info2.out.info->dns.dns_domain.string;
 712                 }
 713
 714                 /* Grab the domain SID (regardless of the result of the previous call */
 715
 716                 lsa_query_info.in.handle = &lsa_p_handle;
 717                 lsa_query_info.in.level = LSA_POLICY_INFO_DOMAIN;
 718
 719                 status = dcerpc_lsa_QueryInfoPolicy(lsa_pipe, tmp_ctx,
 720                                                     &lsa_query_info);
 721
 722                 if (!NT_STATUS_IS_OK(status)) {
 723                         r->out.error_string = talloc_asprintf(mem_ctx,
 724                                                               "lsa_QueryInfoPolicy2 failed: %s",
 725                                                               nt_errstr(status));
 726                         talloc_free(tmp_ctx);
 727                         return status;
 728                 }
 729
 730                 domain_sid = lsa_query_info.out.info->domain.sid;
 731                 domain_name = lsa_query_info.out.info->domain.name.string;
 732         } else {
 733                 /* Cause the code further down to try this with just SAMR */
 734                 domain_sid = NULL;
 735                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 736                         domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 737                 } else {
 738                         /* Bugger, we just lost our way to automaticly find the domain name */
 739                         domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 740                 }
 741         }
 742
 743         /*
 744           establish a SAMR connection, on the same CIFS transport
 745         */
 746
 747         /* Find the original binding string */
 748         status = dcerpc_parse_binding(tmp_ctx, lsa_pipe->conn->binding_string, &samr_binding);
 749         if (!NT_STATUS_IS_OK(status)) {
 750                 r->out.error_string = talloc_asprintf(mem_ctx,
 751                                                 "Failed to parse lsa binding '%s'",
 752                                                 lsa_pipe->conn->binding_string);
 753                 talloc_free(tmp_ctx);
 754                 return status;
 755         }
 756
 757         /* Make binding string for samr, not the other pipe */
 758         status = dcerpc_epm_map_binding(tmp_ctx, samr_binding,
 759                                         &dcerpc_table_samr,
 760                                         lsa_pipe->conn->event_ctx);
 761         if (!NT_STATUS_IS_OK(status)) {
 762                 r->out.error_string = talloc_asprintf(mem_ctx,
 763                                                 "Failed to map DCERPC/TCP NCACN_NP pipe for '%s' - %s",
 764                                                 DCERPC_NETLOGON_UUID,
 765                                                 nt_errstr(status));
 766                 talloc_free(tmp_ctx);
 767                 return status;
 768         }
 769
 770         /* Setup a SAMR connection */
 771         status = dcerpc_secondary_connection(lsa_pipe, &samr_pipe, samr_binding);
 772         if (!NT_STATUS_IS_OK(status)) {
 773                 r->out.error_string = talloc_asprintf(mem_ctx,
 774                                                 "SAMR secondary connection failed: %s",
 775                                                 nt_errstr(status));
 776                 talloc_free(tmp_ctx);
 777                 return status;
 778         }
 779
 780         status = dcerpc_pipe_auth(samr_pipe, samr_binding, &dcerpc_table_samr, ctx->cred);
 781         if (!NT_STATUS_IS_OK(status)) {
 782                 r->out.error_string = talloc_asprintf(mem_ctx,
 783                                                 "SAMR bind failed: %s",
 784                                                 nt_errstr(status));
 785                 talloc_free(tmp_ctx);
 786                 return status;
 787         }
 788
 789         /* prepare samr_Connect */
 790         ZERO_STRUCT(p_handle);
 791         sc.in.system_name = NULL;
 792         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 793         sc.out.connect_handle = &p_handle;
 794
 795         /* 2. do a samr_Connect to get a policy handle */
 796         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 797         if (!NT_STATUS_IS_OK(status)) {
 798                 r->out.error_string = talloc_asprintf(mem_ctx,
 799                                                 "samr_Connect failed: %s",
 800                                                 nt_errstr(status));
 801                 talloc_free(tmp_ctx);
 802                 return status;
 803         }
 804
 805         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 806         if (!domain_sid) {
 807                 struct lsa_String name;
 808                 struct samr_LookupDomain l;
 809                 name.string = domain_name;
 810                 l.in.connect_handle = &p_handle;
 811                 l.in.domain_name = &name;
 812
 813                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 814                 if (!NT_STATUS_IS_OK(status)) {
 815                         r->out.error_string = talloc_asprintf(mem_ctx,
 816                                                               "SAMR LookupDomain failed: %s",
 817                                                               nt_errstr(status));
 818                         talloc_free(tmp_ctx);
 819                         return status;
 820                 }
 821                 domain_sid = l.out.sid;
 822         }
 823
 824         /* prepare samr_OpenDomain */
 825         ZERO_STRUCT(d_handle);
 826         od.in.connect_handle = &p_handle;
 827         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 828         od.in.sid = domain_sid;
 829         od.out.domain_handle = &d_handle;
 830
 831         /* do a samr_OpenDomain to get a domain handle */
 832         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 833         if (!NT_STATUS_IS_OK(status)) {
 834                 r->out.error_string = talloc_asprintf(mem_ctx,
 835                                         "samr_OpenDomain for [%s] failed: %s",
 836                                         r->in.domain_name,
 837                                         nt_errstr(status));
 838                 talloc_free(tmp_ctx);
 839                 return status;
 840         }
 841
 842         /* prepare samr_CreateUser2 */
 843         ZERO_STRUCTP(u_handle);
 844         cu.in.domain_handle  = &d_handle;
 845         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 846         samr_account_name.string = r->in.account_name;
 847         cu.in.account_name    = &samr_account_name;
 848         cu.in.acct_flags      = r->in.acct_type;
 849         cu.out.user_handle    = u_handle;
 850         cu.out.rid            = &rid;
 851         cu.out.access_granted = &access_granted;
 852
 853         /* do a samr_CreateUser2 to get an account handle, or an error */
 854         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 855         status = cu_status;
 856         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 857                 /* prepare samr_LookupNames */
 858                 ln.in.domain_handle = &d_handle;
 859                 ln.in.num_names = 1;
 860                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 861                 if (!ln.in.names) {
 862                         r->out.error_string = NULL;
 863                         talloc_free(tmp_ctx);
 864                         return NT_STATUS_NO_MEMORY;
 865                 }
 866                 ln.in.names[0].string = r->in.account_name;
 867
 868                 /* 5. do a samr_LookupNames to get the users rid */
 869                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 870                 if (!NT_STATUS_IS_OK(status)) {
 871                         r->out.error_string = talloc_asprintf(mem_ctx,
 872                                                 "samr_LookupNames for [%s] failed: %s",
 873                                                 r->in.account_name,
 874                                                 nt_errstr(status));
 875                         talloc_free(tmp_ctx);
 876                         return status;
 877                 }
 878
 879                 /* check if we got one RID for the user */
 880                 if (ln.out.rids.count != 1) {
 881                         r->out.error_string = talloc_asprintf(mem_ctx,
 882                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 883                                                               r->in.account_name, ln.out.rids.count);
 884                         talloc_free(tmp_ctx);
 885                         return NT_STATUS_INVALID_PARAMETER;
 886                 }
 887
 888                 /* prepare samr_OpenUser */
 889                 ZERO_STRUCTP(u_handle);
 890                 ou.in.domain_handle = &d_handle;
 891                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 892                 ou.in.rid = ln.out.rids.ids[0];
 893                 rid = ou.in.rid;
 894                 ou.out.user_handle = u_handle;
 895
 896                 /* 6. do a samr_OpenUser to get a user handle */
 897                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 898                 if (!NT_STATUS_IS_OK(status)) {
 899                         r->out.error_string = talloc_asprintf(mem_ctx,
 900                                                         "samr_OpenUser for [%s] failed: %s",
 901                                                         r->in.account_name,
 902                                                         nt_errstr(status));
 903                         talloc_free(tmp_ctx);
 904                         return status;
 905                 }
 906
 907                 if (r->in.recreate_account) {
 908                         struct samr_DeleteUser d;
 909                         d.in.user_handle = u_handle;
 910                         d.out.user_handle = u_handle;
 911                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 912                         if (!NT_STATUS_IS_OK(status)) {
 913                                 r->out.error_string = talloc_asprintf(mem_ctx,
 914                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 915                                                                       r->in.account_name,
 916                                                                       nt_errstr(status));
 917                                 talloc_free(tmp_ctx);
 918                                 return status;
 919                         }
 920
 921                         /* We want to recreate, so delete and another samr_CreateUser2 */
 922
 923                         /* &cu filled in above */
 924                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 925                         if (!NT_STATUS_IS_OK(status)) {
 926                                 r->out.error_string = talloc_asprintf(mem_ctx,
 927                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 928                                                                       r->in.domain_name, nt_errstr(status));
 929                                 talloc_free(tmp_ctx);
 930                                 return status;
 931                         }
 932                 }
 933         } else if (!NT_STATUS_IS_OK(status)) {
 934                 r->out.error_string = talloc_asprintf(mem_ctx,
 935                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 936                                                       r->in.domain_name, nt_errstr(status));
 937                 talloc_free(tmp_ctx);
 938                 return status;
 939         }
 940
 941         /* prepare samr_QueryUserInfo (get flags) */
 942         qui.in.user_handle = u_handle;
 943         qui.in.level = 16;
 944
 945         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 946         if (!NT_STATUS_IS_OK(status)) {
 947                 r->out.error_string = talloc_asprintf(mem_ctx,
 948                                                 "samr_QueryUserInfo for [%s] failed: %s",
 949                                                 r->in.account_name,
 950                                                 nt_errstr(status));
 951                 talloc_free(tmp_ctx);
 952                 return status;
 953         }
 954
 955         if (!qui.out.info) {
 956                 status = NT_STATUS_INVALID_PARAMETER;
 957                 r->out.error_string
 958                         = talloc_asprintf(mem_ctx,
 959                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 960                                           r->in.account_name, nt_errstr(status));
 961                 talloc_free(tmp_ctx);
 962                 return status;
 963         }
 964
 965         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 966         /* Possibly bail if the account is of the wrong type */
 967         if (old_acct_flags
 968             != r->in.acct_type) {
 969                 const char *old_account_type, *new_account_type;
 970                 switch (old_acct_flags) {
 971                 case ACB_WSTRUST:
 972                         old_account_type = "domain member (member)";
 973                         break;
 974                 case ACB_SVRTRUST:
 975                         old_account_type = "domain controller (bdc)";
 976                         break;
 977                 case ACB_DOMTRUST:
 978                         old_account_type = "trusted domain";
 979                         break;
 980                 default:
 981                         return NT_STATUS_INVALID_PARAMETER;
 982                 }
 983                 switch (r->in.acct_type) {
 984                 case ACB_WSTRUST:
 985                         new_account_type = "domain member (member)";
 986                         break;
 987                 case ACB_SVRTRUST:
 988                         new_account_type = "domain controller (bdc)";
 989                         break;
 990                 case ACB_DOMTRUST:
 991                         new_account_type = "trusted domain";
 992                         break;
 993                 default:
 994                         return NT_STATUS_INVALID_PARAMETER;
 995                 }
 996
 997                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 998                         /* We created a new user, but they didn't come out the right type?!? */
 999                         r->out.error_string
1000                                 = talloc_asprintf(mem_ctx,
1001                                                   "We asked to create a new machine account (%s) of type %s, but we got an account of type %s.  This is unexpected.  Perhaps delete the account and try again.\n",
1002                                                   r->in.account_name, new_account_type, old_account_type);
1003                         talloc_free(tmp_ctx);
1004                         return NT_STATUS_INVALID_PARAMETER;
1005                 } else {
1006                         /* The account is of the wrong type, so bail */
1007
1008                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
1009                         r->out.error_string
1010                                 = talloc_asprintf(mem_ctx,
1011                                                   "The machine account (%s) already exists in the domain %s, but is a %s.  You asked to join as a %s.  Please delete the account and try again.\n",
1012                                                   r->in.account_name, domain_name, old_account_type, new_account_type);
1013                         talloc_free(tmp_ctx);
1014                         return NT_STATUS_USER_EXISTS;
1015                 }
1016         } else {
1017                 acct_flags = qui.out.info->info16.acct_flags;
1018         }
1019
1020         acct_flags = (acct_flags & ~ACB_DISABLED);
1021
1022         /* Find out what password policy this user has */
1023         pwp.in.user_handle = u_handle;
1024
1025         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
1026         if (NT_STATUS_IS_OK(status)) {
1027                 policy_min_pw_len = pwp.out.info.min_password_length;
1028         }
1029
1030         /* Grab a password of that minimum length */
1031
1032         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
1033
1034         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
1035         r2.samr_handle.in.account_name  = r->in.account_name;
1036         r2.samr_handle.in.newpassword   = password_str;
1037         r2.samr_handle.in.user_handle   = u_handle;
1038         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
1039
1040         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
1041         if (!NT_STATUS_IS_OK(status)) {
1042                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
1043                 talloc_free(tmp_ctx);
1044                 return status;
1045         }
1046
1047         /* reset flags (if required) */
1048         if (acct_flags != qui.out.info->info16.acct_flags) {
1049                 ZERO_STRUCT(u_info);
1050                 u_info.info16.acct_flags = acct_flags;
1051
1052                 sui.in.user_handle = u_handle;
1053                 sui.in.info = &u_info;
1054                 sui.in.level = 16;
1055
1056                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
1057                 if (!NT_STATUS_IS_OK(status)) {
1058                         r->out.error_string = talloc_asprintf(mem_ctx,
1059                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
1060                                                         r->in.account_name,
1061                                                         nt_errstr(status));
1062                         talloc_free(tmp_ctx);
1063                         return status;
1064                 }
1065         }
1066
1067         account_sid = dom_sid_add_rid(mem_ctx, domain_sid, rid);
1068         if (!account_sid) {
1069                 r->out.error_string = NULL;
1070                 talloc_free(tmp_ctx);
1071                 return NT_STATUS_NO_MEMORY;
1072         }
1073
1074         /* Finish out by pushing various bits of status data out for the caller to use */
1075         r->out.join_password = password_str;
1076         talloc_steal(mem_ctx, password_str);
1077
1078         r->out.domain_sid = domain_sid;
1079         talloc_steal(mem_ctx, domain_sid);
1080
1081         r->out.account_sid = account_sid;
1082         talloc_steal(mem_ctx, account_sid);
1083
1084         r->out.domain_name = domain_name;
1085         talloc_steal(mem_ctx, domain_name);
1086         r->out.realm = realm;
1087         talloc_steal(mem_ctx, realm);
1088         r->out.lsa_pipe = lsa_pipe;
1089         talloc_steal(mem_ctx, lsa_pipe);
1090         r->out.samr_pipe = samr_pipe;
1091         talloc_steal(mem_ctx, samr_pipe);
1092         r->out.samr_binding = samr_binding;
1093         talloc_steal(mem_ctx, samr_binding);
1094         r->out.user_handle = u_handle;
1095         talloc_steal(mem_ctx, u_handle);
1096         r->out.error_string = r2.samr_handle.out.error_string;
1097         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
1098         r->out.kvno = 0;
1099         r->out.server_dn_str = NULL;
1100         talloc_free(tmp_ctx);
1101
1102         /* Now, if it was AD, then we want to start looking changing a
1103          * few more things.  Otherwise, we are done. */
1104         if (realm) {
1105                 status = libnet_JoinADSDomain(ctx, r);
1106                 return status;
1107         }
1108
1109         return status;
1110 }
1111
1112 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
1113                                            TALLOC_CTX *mem_ctx,
1114                                            struct libnet_Join *r)
1115 {
1116         NTSTATUS status;
1117         TALLOC_CTX *tmp_mem;
1118         struct libnet_JoinDomain *r2;
1119         int ret, rtn;
1120         struct ldb_context *ldb;
1121         const struct ldb_dn *base_dn;
1122         struct ldb_message **msgs, *msg;
1123         const char *sct;
1124         const char * const attrs[] = {
1125                 "whenChanged",
1126                 "secret",
1127                 "priorSecret",
1128                 "priorChanged",
1129                 NULL
1130         };
1131         uint32_t acct_type = 0;
1132         const char *account_name;
1133         const char *netbios_name;
1134         char *filter;
1135
1136         r->out.error_string = NULL;
1137
1138         tmp_mem = talloc_new(mem_ctx);
1139         if (!tmp_mem) {
1140                 return NT_STATUS_NO_MEMORY;
1141         }
1142
1143         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
1144         if (!r2) {
1145                 r->out.error_string = NULL;
1146                 talloc_free(tmp_mem);
1147                 return NT_STATUS_NO_MEMORY;
1148         }
1149
1150         if (r->in.secure_channel_type == SEC_CHAN_BDC) {
1151                 acct_type = ACB_SVRTRUST;
1152         } else if (r->in.secure_channel_type == SEC_CHAN_WKSTA) {
1153                 acct_type = ACB_WSTRUST;
1154         } else {
1155                 r->out.error_string = NULL;
1156                 talloc_free(tmp_mem);
1157                 return NT_STATUS_INVALID_PARAMETER;
1158         }
1159
1160         if ((r->in.netbios_name != NULL) && (r->in.level != LIBNET_JOIN_AUTOMATIC)) {
1161                 netbios_name = r->in.netbios_name;
1162         } else {
1163                 netbios_name = talloc_asprintf(tmp_mem, "%s", lp_netbios_name());
1164                 if (!netbios_name) {
1165                         r->out.error_string = NULL;
1166                         talloc_free(tmp_mem);
1167                         return NT_STATUS_NO_MEMORY;
1168                 }
1169         }
1170
1171         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
1172         if (!account_name) {
1173                 r->out.error_string = NULL;
1174                 talloc_free(tmp_mem);
1175                 return NT_STATUS_NO_MEMORY;
1176         }
1177
1178         /*
1179          * Local secrets are stored in secrets.ldb
1180          * open it to make sure we can write the info into it after the join
1181          */
1182         ldb = secrets_db_connect(tmp_mem);
1183         if (!ldb) {
1184                 r->out.error_string
1185                         = talloc_asprintf(mem_ctx,
1186                                           "Could not open secrets database\n");
1187                 talloc_free(tmp_mem);
1188                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1189         }
1190
1191         /*
1192          * join the domain
1193          */
1194         ZERO_STRUCTP(r2);
1195         r2->in.domain_name      = r->in.domain_name;
1196         r2->in.account_name     = account_name;
1197         r2->in.netbios_name     = netbios_name;
1198         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
1199         r2->in.acct_type        = acct_type;
1200         r2->in.recreate_account = False;
1201         status = libnet_JoinDomain(ctx, r2, r2);
1202         if (!NT_STATUS_IS_OK(status)) {
1203                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
1204                 talloc_free(tmp_mem);
1205                 return status;
1206         }
1207
1208         /*
1209          * now prepare the record for secrets.ldb
1210          */
1211         sct = talloc_asprintf(tmp_mem, "%d", r->in.secure_channel_type);
1212         if (!sct) {
1213                 r->out.error_string = NULL;
1214                 talloc_free(tmp_mem);
1215                 return NT_STATUS_NO_MEMORY;
1216         }
1217
1218         msg = ldb_msg_new(tmp_mem);
1219         if (!msg) {
1220                 r->out.error_string = NULL;
1221                 talloc_free(tmp_mem);
1222                 return NT_STATUS_NO_MEMORY;
1223         }
1224
1225         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
1226         if (!base_dn) {
1227                 r->out.error_string = NULL;
1228                 talloc_free(tmp_mem);
1229                 return NT_STATUS_NO_MEMORY;
1230         }
1231
1232         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
1233         if (!msg->dn) {
1234                 r->out.error_string = NULL;
1235                 talloc_free(tmp_mem);
1236                 return NT_STATUS_NO_MEMORY;
1237         }
1238
1239         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
1240         if (rtn == -1) {
1241                 r->out.error_string = NULL;
1242                 talloc_free(tmp_mem);
1243                 return NT_STATUS_NO_MEMORY;
1244         }
1245
1246         if (r2->out.realm) {
1247                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
1248                 if (rtn == -1) {
1249                         r->out.error_string = NULL;
1250                         talloc_free(tmp_mem);
1251                         return NT_STATUS_NO_MEMORY;
1252                 }
1253
1254                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1255                 if (rtn == -1) {
1256                         r->out.error_string = NULL;
1257                         talloc_free(tmp_mem);
1258                         return NT_STATUS_NO_MEMORY;
1259                 }
1260         }
1261
1262         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
1263         if (rtn == -1) {
1264                 r->out.error_string = NULL;
1265                 talloc_free(tmp_mem);
1266                 return NT_STATUS_NO_MEMORY;
1267         }
1268
1269         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1270         if (rtn == -1) {
1271                 r->out.error_string = NULL;
1272                 talloc_free(tmp_mem);
1273                 return NT_STATUS_NO_MEMORY;
1274         }
1275
1276         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1277         if (rtn == -1) {
1278                 r->out.error_string = NULL;
1279                 talloc_free(tmp_mem);
1280                 return NT_STATUS_NO_MEMORY;
1281         }
1282
1283         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1284         if (rtn == -1) {
1285                 r->out.error_string = NULL;
1286                 talloc_free(tmp_mem);
1287                 return NT_STATUS_NO_MEMORY;
1288         }
1289
1290         if (r2->out.kvno) {
1291                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1292                                          r2->out.kvno);
1293                 if (rtn == -1) {
1294                         r->out.error_string = NULL;
1295                         talloc_free(tmp_mem);
1296                         return NT_STATUS_NO_MEMORY;
1297                 }
1298         }
1299
1300         if (r2->out.domain_sid) {
1301                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1302                                             r2->out.domain_sid);
1303                 if (rtn == -1) {
1304                         r->out.error_string = NULL;
1305                         talloc_free(tmp_mem);
1306                         return NT_STATUS_NO_MEMORY;
1307                 }
1308         }
1309
1310         /*
1311          * search for the secret record
1312          * - remove the records we find
1313          * - and fetch the old secret and store it under priorSecret
1314          */
1315         ret = gendb_search(ldb,
1316                            tmp_mem, base_dn,
1317                            &msgs, attrs,
1318                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1319                            r2->out.domain_name, r2->out.realm);
1320         if (ret == 0) {
1321         } else if (ret == -1) {
1322                 r->out.error_string
1323                         = talloc_asprintf(mem_ctx,
1324                                           "Search for domain: %s and realm: %s failed: %s",
1325                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1326                 talloc_free(tmp_mem);
1327                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1328         } else {
1329                 const struct ldb_val *prior_secret;
1330                 const struct ldb_val *prior_modified_time;
1331                 int i;
1332
1333                 for (i = 0; i < ret; i++) {
1334                         ldb_delete(ldb, msgs[i]->dn);
1335                 }
1336
1337                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1338                 if (prior_secret) {
1339                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1340                         if (rtn == -1) {
1341                                 r->out.error_string = NULL;
1342                                 talloc_free(tmp_mem);
1343                                 return NT_STATUS_NO_MEMORY;
1344                         }
1345                 }
1346                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1347                 if (rtn == -1) {
1348                         r->out.error_string = NULL;
1349                         talloc_free(tmp_mem);
1350                         return NT_STATUS_NO_MEMORY;
1351                 }
1352
1353                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1354                                                            "whenChanged");
1355                 if (prior_modified_time) {
1356                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1357                                                   prior_modified_time);
1358                         if (rtn == -1) {
1359                                 r->out.error_string = NULL;
1360                                 talloc_free(tmp_mem);
1361                                 return NT_STATUS_NO_MEMORY;
1362                         }
1363                 }
1364
1365                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1366                 if (rtn == -1) {
1367                         r->out.error_string = NULL;
1368                         talloc_free(tmp_mem);
1369                         return NT_STATUS_NO_MEMORY;
1370                 }
1371
1372                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1373                 if (rtn == -1) {
1374                         r->out.error_string = NULL;
1375                         talloc_free(tmp_mem);
1376                         return NT_STATUS_NO_MEMORY;
1377                 }
1378         }
1379
1380         /* create the secret */
1381         ret = samdb_add(ldb, tmp_mem, msg);
1382         if (ret != 0) {
1383                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1384                                                       ldb_dn_linearize(ldb, msg->dn));
1385                 talloc_free(tmp_mem);
1386                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1387         }
1388
1389         if (r2->out.realm) {
1390                 struct cli_credentials *creds;
1391                 /* Make a credentials structure from it */
1392                 creds = cli_credentials_init(mem_ctx);
1393                 if (!creds) {
1394                         r->out.error_string = NULL;
1395                         talloc_free(tmp_mem);
1396                         return NT_STATUS_NO_MEMORY;
1397                 }
1398                 cli_credentials_set_conf(creds);
1399                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1400                 status = cli_credentials_set_secrets(creds, NULL, filter);
1401                 if (!NT_STATUS_IS_OK(status)) {
1402                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1403                                                               filter);
1404                         talloc_free(tmp_mem);
1405                         return status;
1406                 }
1407                 ret = cli_credentials_update_keytab(creds);
1408                 if (ret != 0) {
1409                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1410                                                               filter);
1411                         talloc_free(tmp_mem);
1412                         return NT_STATUS_UNSUCCESSFUL;
1413                 }
1414         }
1415
1416         /* move all out parameter to the callers TALLOC_CTX */
1417         r->out.error_string     = NULL;
1418         r->out.join_password    = r2->out.join_password;
1419         talloc_steal(mem_ctx, r2->out.join_password);
1420         r->out.domain_sid       = r2->out.domain_sid;
1421         talloc_steal(mem_ctx, r2->out.domain_sid);
1422         r->out.domain_name      = r2->out.domain_name;
1423         talloc_steal(mem_ctx, r2->out.domain_name);
1424         talloc_free(tmp_mem);
1425         return NT_STATUS_OK;
1426 }
1427
1428 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1429 {
1430         switch (r->in.secure_channel_type) {
1431                 case SEC_CHAN_WKSTA:
1432                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1433                 case SEC_CHAN_BDC:
1434                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1435                 case SEC_CHAN_DOMAIN:
1436                         break;
1437         }
1438
1439         r->out.error_string = talloc_asprintf(mem_ctx,
1440                                 "Invalid secure channel type specified (%08X) attempting to join domain %s",
1441                                 r->in.secure_channel_type, r->in.domain_name);
1442         return NT_STATUS_INVALID_PARAMETER;
1443 }
1444
1445