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