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