source4/libnet/libnet_join.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Stefan Metzmacher      2004
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   6    Copyright (C) Brad Henry 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libnet/libnet.h"
  25 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  26 #include "lib/ldb/include/ldb.h"
  27 #include "lib/ldb/include/ldb_errors.h"
  28 #include "passdb/secrets.h"
  29 #include "dsdb/samdb/samdb.h"
  30 #include "db_wrap.h"
  31 #include "libcli/security/security.h"
  32 #include "auth/credentials/credentials.h"
  33 #include "librpc/gen_ndr/ndr_samr_c.h"
  34
  35 /*
  36  * complete a domain join, when joining to a AD domain:
  37  * 1.) connect and bind to the DRSUAPI pipe
  38  * 2.) do a DsCrackNames() to find the machine account dn
  39  * 3.) connect to LDAP
  40  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  41  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  42  * 6.) do a DsCrackNames() to find the domain dn
  43  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  44  */
  45 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  46 {
  47         NTSTATUS status;
  48
  49         TALLOC_CTX *tmp_ctx;
  50
  51         const char *realm = r->out.realm;
  52
  53         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  54
  55         struct dcerpc_pipe *drsuapi_pipe;
  56         struct dcerpc_binding *drsuapi_binding;
  57         struct drsuapi_DsBind r_drsuapi_bind;
  58         struct drsuapi_DsCrackNames r_crack_names;
  59         struct drsuapi_DsNameString names[1];
  60         struct policy_handle drsuapi_bind_handle;
  61         struct GUID drsuapi_bind_guid;
  62
  63         struct ldb_context *remote_ldb;
  64         const struct ldb_dn *account_dn;
  65         const char *account_dn_str;
  66         const char *remote_ldb_url;
  67         struct ldb_result *res;
  68         struct ldb_message *msg;
  69
  70         int ret, rtn;
  71
  72         unsigned int kvno;
  73
  74         const char * const attrs[] = {
  75                 "msDS-KeyVersionNumber",
  76                 "servicePrincipalName",
  77                 "dNSHostName",
  78                 NULL,
  79         };
  80
  81         r->out.error_string = NULL;
  82
  83         /* We need to convert between a samAccountName and domain to a
  84          * DN in the directory.  The correct way to do this is with
  85          * DRSUAPI CrackNames */
  86
  87         /* Fiddle with the bindings, so get to DRSUAPI on
  88          * NCACN_IP_TCP, sealed */
  89         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  90         if (!tmp_ctx) {
  91                 r->out.error_string = NULL;
  92                 return NT_STATUS_NO_MEMORY;
  93         }
  94
  95         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  96         if (!drsuapi_binding) {
  97                 r->out.error_string = NULL;
  98                 talloc_free(tmp_ctx);
  99                 return NT_STATUS_NO_MEMORY;
 100         }
 101
 102         *drsuapi_binding = *samr_binding;
 103
 104         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 105         if (drsuapi_binding->transport != NCALRPC) {
 106                 drsuapi_binding->transport = NCACN_IP_TCP;
 107         }
 108         drsuapi_binding->endpoint = NULL;
 109         drsuapi_binding->flags |= DCERPC_SEAL;
 110
 111         status = dcerpc_pipe_connect_b(tmp_ctx,
 112                                        &drsuapi_pipe,
 113                                        drsuapi_binding,
 114                                        &dcerpc_table_drsuapi,
 115                                        ctx->cred,
 116                                        ctx->event_ctx);
 117         if (!NT_STATUS_IS_OK(status)) {
 118                 r->out.error_string = talloc_asprintf(r,
 119                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 120                                         r->in.domain_name,
 121                                         nt_errstr(status));
 122                 talloc_free(tmp_ctx);
 123                 return status;
 124         }
 125
 126         /* get a DRSUAPI pipe handle */
 127         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 128
 129         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 130         r_drsuapi_bind.in.bind_info = NULL;
 131         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 132
 133         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 134         if (!NT_STATUS_IS_OK(status)) {
 135                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 136                         r->out.error_string
 137                                 = talloc_asprintf(r,
 138                                                   "dcerpc_drsuapi_DsBind failed - %s\n",
 139                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 140                         talloc_free(tmp_ctx);
 141                         return status;
 142                 } else {
 143                         r->out.error_string
 144                                 = talloc_asprintf(r,
 145                                                   "dcerpc_drsuapi_DsBind failed - %s\n",
 146                                                   nt_errstr(status));
 147                         talloc_free(tmp_ctx);
 148                         return status;
 149                 }
 150         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 151                 r->out.error_string
 152                                 = talloc_asprintf(r,
 153                                                   "DsBind failed - %s\n",
 154                                                   win_errstr(r_drsuapi_bind.out.result));
 155                         talloc_free(tmp_ctx);
 156                 return NT_STATUS_UNSUCCESSFUL;
 157         }
 158
 159         /* Actually 'crack' the names */
 160         ZERO_STRUCT(r_crack_names);
 161         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 162         r_crack_names.in.level                  = 1;
 163         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 164         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 165         r_crack_names.in.req.req1.count         = 1;
 166         r_crack_names.in.req.req1.names         = names;
 167         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 168         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 169         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 170         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 171         if (!names[0].str) {
 172                 r->out.error_string = NULL;
 173                 talloc_free(tmp_ctx);
 174                 return NT_STATUS_NO_MEMORY;
 175         }
 176
 177         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 178         if (!NT_STATUS_IS_OK(status)) {
 179                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 180                         r->out.error_string
 181                                 = talloc_asprintf(r,
 182                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 183                                                   names[0].str,
 184                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 185                         talloc_free(tmp_ctx);
 186                         return status;
 187                 } else {
 188                         r->out.error_string
 189                                 = talloc_asprintf(r,
 190                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 191                                                   names[0].str,
 192                                                   nt_errstr(status));
 193                         talloc_free(tmp_ctx);
 194                         return status;
 195                 }
 196         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 197                 r->out.error_string
 198                                 = talloc_asprintf(r,
 199                                                   "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 200                 talloc_free(tmp_ctx);
 201                 return NT_STATUS_UNSUCCESSFUL;
 202         } else if (r_crack_names.out.level != 1
 203                    || !r_crack_names.out.ctr.ctr1
 204                    || r_crack_names.out.ctr.ctr1->count != 1
 205                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 206                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 207                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 208                 talloc_free(tmp_ctx);
 209                 return NT_STATUS_UNSUCCESSFUL;
 210         }
 211
 212         /* Store the DN of our machine account. */
 213         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 214
 215         account_dn = ldb_dn_explode(tmp_ctx, account_dn_str);
 216         if (!account_dn) {
 217                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 218                                                       account_dn_str);
 219                 talloc_free(tmp_ctx);
 220                 return NT_STATUS_UNSUCCESSFUL;
 221         }
 222
 223         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 224
 225         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 226                                          drsuapi_binding->host);
 227         if (!remote_ldb_url) {
 228                 r->out.error_string = NULL;
 229                 talloc_free(tmp_ctx);
 230                 return NT_STATUS_NO_MEMORY;
 231         }
 232
 233         remote_ldb = ldb_wrap_connect(tmp_ctx, remote_ldb_url,
 234                                       NULL, ctx->cred, 0, NULL);
 235         if (!remote_ldb) {
 236                 r->out.error_string = NULL;
 237                 talloc_free(tmp_ctx);
 238                 return NT_STATUS_UNSUCCESSFUL;
 239         }
 240
 241         /* search for the user's record */
 242         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 243                              NULL, attrs, &res);
 244         if (ret != LDB_SUCCESS || res->count != 1) {
 245                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s\n",
 246                                                       account_dn_str, ldb_errstring(remote_ldb));
 247                 talloc_free(tmp_ctx);
 248                 return NT_STATUS_UNSUCCESSFUL;
 249         }
 250
 251         /* If we have a kvno recorded in AD, we need it locally as well */
 252         kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 253
 254         /* Prepare a new message, for the modify */
 255         msg = ldb_msg_new(tmp_ctx);
 256         if (!msg) {
 257                 r->out.error_string = NULL;
 258                 talloc_free(tmp_ctx);
 259                 return NT_STATUS_NO_MEMORY;
 260         }
 261         msg->dn = res->msgs[0]->dn;
 262
 263         {
 264                 int i;
 265                 const char *service_principal_name[6];
 266                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 267                                                             talloc_asprintf(tmp_ctx,
 268                                                                             "%s.%s",
 269                                                                             r->in.netbios_name,
 270                                                                             realm));
 271
 272                 if (!dns_host_name) {
 273                         r->out.error_string = NULL;
 274                         talloc_free(tmp_ctx);
 275                         return NT_STATUS_NO_MEMORY;
 276                 }
 277
 278                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 279                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 280                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 281                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 282                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 283                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 284
 285                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 286                         if (!service_principal_name[i]) {
 287                                 r->out.error_string = NULL;
 288                                 talloc_free(tmp_ctx);
 289                                 return NT_STATUS_NO_MEMORY;
 290                         }
 291                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 292                         if (rtn == -1) {
 293                                 r->out.error_string = NULL;
 294                                 talloc_free(tmp_ctx);
 295                                 return NT_STATUS_NO_MEMORY;
 296                         }
 297                 }
 298
 299                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 300                 if (rtn == -1) {
 301                         r->out.error_string = NULL;
 302                         talloc_free(tmp_ctx);
 303                         return NT_STATUS_NO_MEMORY;
 304                 }
 305
 306                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 307                 if (rtn != 0) {
 308                         r->out.error_string
 309                                 = talloc_asprintf(r,
 310                                                   "Failed to replace entries on %s\n",
 311                                                   ldb_dn_linearize(tmp_ctx, msg->dn));
 312                         talloc_free(tmp_ctx);
 313                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 314                 }
 315         }
 316
 317         /* DsCrackNames to find out the DN of the domain. */
 318         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 319         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 320         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 321         if (!names[0].str) {
 322                 r->out.error_string = NULL;
 323                 talloc_free(tmp_ctx);
 324                 return NT_STATUS_NO_MEMORY;
 325         }
 326
 327         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 328         if (!NT_STATUS_IS_OK(status)) {
 329                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 330                         r->out.error_string
 331                                 = talloc_asprintf(r,
 332                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 333                                                   r->in.domain_name,
 334                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 335                         talloc_free(tmp_ctx);
 336                         return status;
 337                 } else {
 338                         r->out.error_string
 339                                 = talloc_asprintf(r,
 340                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s\n",
 341                                                   r->in.domain_name,
 342                                                   nt_errstr(status));
 343                         talloc_free(tmp_ctx);
 344                         return status;
 345                 }
 346         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 347                 r->out.error_string
 348                         = talloc_asprintf(r,
 349                                           "DsCrackNames failed - %s\n", win_errstr(r_crack_names.out.result));
 350                 talloc_free(tmp_ctx);
 351                 return NT_STATUS_UNSUCCESSFUL;
 352         } else if (r_crack_names.out.level != 1
 353                    || !r_crack_names.out.ctr.ctr1
 354                    || r_crack_names.out.ctr.ctr1->count != 1
 355                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 356                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 357                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed\n");
 358                 talloc_free(tmp_ctx);
 359                 return NT_STATUS_UNSUCCESSFUL;
 360         }
 361
 362         /* Store the account DN. */
 363         r->out.account_dn_str = account_dn_str;
 364         talloc_steal(r, account_dn_str);
 365
 366         /* Store the domain DN. */
 367         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 368         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 369
 370         r->out.kvno = kvno;
 371
 372         if (r->in.acct_type == ACB_SVRTRUST) {
 373                 status = libnet_JoinSite(remote_ldb, r);
 374         }
 375         talloc_free(tmp_ctx);
 376
 377         return status;
 378 }
 379
 380 /*
 381  * do a domain join using DCERPC/SAMR calls
 382  * - connect to the LSA pipe, to try and find out information about the domain
 383  * - create a secondary connection to SAMR pipe
 384  * - do a samr_Connect to get a policy handle
 385  * - do a samr_LookupDomain to get the domain sid
 386  * - do a samr_OpenDomain to get a domain handle
 387  * - do a samr_CreateAccount to try and get a new account
 388  *
 389  * If that fails, do:
 390  * - do a samr_LookupNames to get the users rid
 391  * - do a samr_OpenUser to get a user handle
 392  * - potentially delete and recreate the user
 393  * - assert the account is of the right type with samrQueryUserInfo
 394  *
 395  * - call libnet_SetPassword_samr_handle to set the password
 396  *
 397  * - do a samrSetUserInfo to set the account flags
 398  * - do some ADS specific things when we join as Domain Controller,
 399  *    look at libnet_joinADSDomain() for the details
 400  */
 401 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 402 {
 403         TALLOC_CTX *tmp_ctx;
 404
 405         NTSTATUS status, cu_status;
 406
 407         struct libnet_RpcConnect *connect_with_info;
 408         struct dcerpc_pipe *samr_pipe;
 409
 410         struct samr_Connect sc;
 411         struct policy_handle p_handle;
 412         struct samr_OpenDomain od;
 413         struct policy_handle d_handle;
 414         struct samr_LookupNames ln;
 415         struct samr_OpenUser ou;
 416         struct samr_CreateUser2 cu;
 417         struct policy_handle *u_handle = NULL;
 418         struct samr_QueryUserInfo qui;
 419         struct samr_SetUserInfo sui;
 420         union samr_UserInfo u_info;
 421         union libnet_SetPassword r2;
 422         struct samr_GetUserPwInfo pwp;
 423         struct lsa_String samr_account_name;
 424
 425         uint32_t acct_flags, old_acct_flags;
 426         uint32_t rid, access_granted;
 427         int policy_min_pw_len = 0;
 428
 429         struct dom_sid *account_sid = NULL;
 430         const char *password_str = NULL;
 431
 432         r->out.error_string = NULL;
 433         r2.samr_handle.out.error_string = NULL;
 434
 435         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 436         if (!tmp_ctx) {
 437                 r->out.error_string = NULL;
 438                 return NT_STATUS_NO_MEMORY;
 439         }
 440
 441         u_handle = talloc(tmp_ctx, struct policy_handle);
 442         if (!u_handle) {
 443                 r->out.error_string = NULL;
 444                 talloc_free(tmp_ctx);
 445                 return NT_STATUS_NO_MEMORY;
 446         }
 447
 448         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 449         if (!connect_with_info) {
 450                 r->out.error_string = NULL;
 451                 talloc_free(tmp_ctx);
 452                 return NT_STATUS_NO_MEMORY;
 453         }
 454
 455         /* prepare connect to the LSA pipe of PDC */
 456         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 457                 connect_with_info->in.name    = r->in.domain_name;
 458         } else {
 459                 connect_with_info->in.binding = r->in.binding;
 460         }
 461
 462         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 463         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 464
 465         /*
 466           establish a SAMR connection, on the same CIFS transport
 467         */
 468         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 469         if (!NT_STATUS_IS_OK(status)) {
 470                 if (r->in.binding) {
 471                         r->out.error_string = talloc_asprintf(mem_ctx,
 472                                                               "Connection to SAMR pipe of DC %s failed: %s",
 473                                                               r->in.binding, connect_with_info->out.error_string);
 474                 } else {
 475                         r->out.error_string = talloc_asprintf(mem_ctx,
 476                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 477                                                               r->in.domain_name, connect_with_info->out.error_string);
 478                 }
 479                 talloc_free(tmp_ctx);
 480                 return status;
 481         }
 482
 483         samr_pipe = connect_with_info->out.dcerpc_pipe;
 484
 485         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 486                                   connect_with_info->out.dcerpc_pipe->binding,
 487                                   &dcerpc_table_samr, ctx->cred);
 488         if (!NT_STATUS_IS_OK(status)) {
 489                 r->out.error_string = talloc_asprintf(mem_ctx,
 490                                                 "SAMR bind failed: %s",
 491                                                 nt_errstr(status));
 492                 talloc_free(tmp_ctx);
 493                 return status;
 494         }
 495
 496         /* prepare samr_Connect */
 497         ZERO_STRUCT(p_handle);
 498         sc.in.system_name = NULL;
 499         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 500         sc.out.connect_handle = &p_handle;
 501
 502         /* 2. do a samr_Connect to get a policy handle */
 503         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 504         if (!NT_STATUS_IS_OK(status)) {
 505                 r->out.error_string = talloc_asprintf(mem_ctx,
 506                                                 "samr_Connect failed: %s",
 507                                                 nt_errstr(status));
 508                 talloc_free(tmp_ctx);
 509                 return status;
 510         }
 511
 512         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 513         if (!connect_with_info->out.domain_name) {
 514                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 515                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 516                 } else {
 517                         /* Bugger, we just lost our way to automaticly find the domain name */
 518                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 519                 }
 520         }
 521
 522         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 523         if (!connect_with_info->out.domain_sid) {
 524                 struct lsa_String name;
 525                 struct samr_LookupDomain l;
 526                 name.string = connect_with_info->out.domain_name;
 527                 l.in.connect_handle = &p_handle;
 528                 l.in.domain_name = &name;
 529
 530                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 531                 if (!NT_STATUS_IS_OK(status)) {
 532                         r->out.error_string = talloc_asprintf(mem_ctx,
 533                                                               "SAMR LookupDomain failed: %s",
 534                                                               nt_errstr(status));
 535                         talloc_free(tmp_ctx);
 536                         return status;
 537                 }
 538                 connect_with_info->out.domain_sid = l.out.sid;
 539         }
 540
 541         /* prepare samr_OpenDomain */
 542         ZERO_STRUCT(d_handle);
 543         od.in.connect_handle = &p_handle;
 544         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 545         od.in.sid = connect_with_info->out.domain_sid;
 546         od.out.domain_handle = &d_handle;
 547
 548         /* do a samr_OpenDomain to get a domain handle */
 549         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 550         if (!NT_STATUS_IS_OK(status)) {
 551                 r->out.error_string = talloc_asprintf(mem_ctx,
 552                                                       "samr_OpenDomain for [%s] failed: %s",
 553                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 554                                                       nt_errstr(status));
 555                 talloc_free(tmp_ctx);
 556                 return status;
 557         }
 558
 559         /* prepare samr_CreateUser2 */
 560         ZERO_STRUCTP(u_handle);
 561         cu.in.domain_handle  = &d_handle;
 562         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 563         samr_account_name.string = r->in.account_name;
 564         cu.in.account_name    = &samr_account_name;
 565         cu.in.acct_flags      = r->in.acct_type;
 566         cu.out.user_handle    = u_handle;
 567         cu.out.rid            = &rid;
 568         cu.out.access_granted = &access_granted;
 569
 570         /* do a samr_CreateUser2 to get an account handle, or an error */
 571         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 572         status = cu_status;
 573         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 574                 /* prepare samr_LookupNames */
 575                 ln.in.domain_handle = &d_handle;
 576                 ln.in.num_names = 1;
 577                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 578                 if (!ln.in.names) {
 579                         r->out.error_string = NULL;
 580                         talloc_free(tmp_ctx);
 581                         return NT_STATUS_NO_MEMORY;
 582                 }
 583                 ln.in.names[0].string = r->in.account_name;
 584
 585                 /* 5. do a samr_LookupNames to get the users rid */
 586                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 587                 if (!NT_STATUS_IS_OK(status)) {
 588                         r->out.error_string = talloc_asprintf(mem_ctx,
 589                                                 "samr_LookupNames for [%s] failed: %s",
 590                                                 r->in.account_name,
 591                                                 nt_errstr(status));
 592                         talloc_free(tmp_ctx);
 593                         return status;
 594                 }
 595
 596                 /* check if we got one RID for the user */
 597                 if (ln.out.rids.count != 1) {
 598                         r->out.error_string = talloc_asprintf(mem_ctx,
 599                                                               "samr_LookupNames for [%s] returns %d RIDs\n",
 600                                                               r->in.account_name, ln.out.rids.count);
 601                         talloc_free(tmp_ctx);
 602                         return NT_STATUS_INVALID_PARAMETER;
 603                 }
 604
 605                 /* prepare samr_OpenUser */
 606                 ZERO_STRUCTP(u_handle);
 607                 ou.in.domain_handle = &d_handle;
 608                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 609                 ou.in.rid = ln.out.rids.ids[0];
 610                 rid = ou.in.rid;
 611                 ou.out.user_handle = u_handle;
 612
 613                 /* 6. do a samr_OpenUser to get a user handle */
 614                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 615                 if (!NT_STATUS_IS_OK(status)) {
 616                         r->out.error_string = talloc_asprintf(mem_ctx,
 617                                                         "samr_OpenUser for [%s] failed: %s",
 618                                                         r->in.account_name,
 619                                                         nt_errstr(status));
 620                         talloc_free(tmp_ctx);
 621                         return status;
 622                 }
 623
 624                 if (r->in.recreate_account) {
 625                         struct samr_DeleteUser d;
 626                         d.in.user_handle = u_handle;
 627                         d.out.user_handle = u_handle;
 628                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 629                         if (!NT_STATUS_IS_OK(status)) {
 630                                 r->out.error_string = talloc_asprintf(mem_ctx,
 631                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 632                                                                       r->in.account_name,
 633                                                                       nt_errstr(status));
 634                                 talloc_free(tmp_ctx);
 635                                 return status;
 636                         }
 637
 638                         /* We want to recreate, so delete and another samr_CreateUser2 */
 639
 640                         /* &cu filled in above */
 641                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 642                         if (!NT_STATUS_IS_OK(status)) {
 643                                 r->out.error_string = talloc_asprintf(mem_ctx,
 644                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s\n",
 645                                                                       r->in.account_name, nt_errstr(status));
 646                                 talloc_free(tmp_ctx);
 647                                 return status;
 648                         }
 649                 }
 650         } else if (!NT_STATUS_IS_OK(status)) {
 651                 r->out.error_string = talloc_asprintf(mem_ctx,
 652                                                       "samr_CreateUser2 for [%s] failed: %s\n",
 653                                                       r->in.account_name, nt_errstr(status));
 654                 talloc_free(tmp_ctx);
 655                 return status;
 656         }
 657
 658         /* prepare samr_QueryUserInfo (get flags) */
 659         qui.in.user_handle = u_handle;
 660         qui.in.level = 16;
 661
 662         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 663         if (!NT_STATUS_IS_OK(status)) {
 664                 r->out.error_string = talloc_asprintf(mem_ctx,
 665                                                 "samr_QueryUserInfo for [%s] failed: %s",
 666                                                 r->in.account_name,
 667                                                 nt_errstr(status));
 668                 talloc_free(tmp_ctx);
 669                 return status;
 670         }
 671
 672         if (!qui.out.info) {
 673                 status = NT_STATUS_INVALID_PARAMETER;
 674                 r->out.error_string
 675                         = talloc_asprintf(mem_ctx,
 676                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s\n",
 677                                           r->in.account_name, nt_errstr(status));
 678                 talloc_free(tmp_ctx);
 679                 return status;
 680         }
 681
 682         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 683         /* Possibly bail if the account is of the wrong type */
 684         if (old_acct_flags
 685             != r->in.acct_type) {
 686                 const char *old_account_type, *new_account_type;
 687                 switch (old_acct_flags) {
 688                 case ACB_WSTRUST:
 689                         old_account_type = "domain member (member)";
 690                         break;
 691                 case ACB_SVRTRUST:
 692                         old_account_type = "domain controller (bdc)";
 693                         break;
 694                 case ACB_DOMTRUST:
 695                         old_account_type = "trusted domain";
 696                         break;
 697                 default:
 698                         return NT_STATUS_INVALID_PARAMETER;
 699                 }
 700                 switch (r->in.acct_type) {
 701                 case ACB_WSTRUST:
 702                         new_account_type = "domain member (member)";
 703                         break;
 704                 case ACB_SVRTRUST:
 705                         new_account_type = "domain controller (bdc)";
 706                         break;
 707                 case ACB_DOMTRUST:
 708                         new_account_type = "trusted domain";
 709                         break;
 710                 default:
 711                         return NT_STATUS_INVALID_PARAMETER;
 712                 }
 713
 714                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 715                         /* We created a new user, but they didn't come out the right type?!? */
 716                         r->out.error_string
 717                                 = talloc_asprintf(mem_ctx,
 718                                                   "We asked to create a new machine account (%s) of type %s, "
 719                                                   "but we got an account of type %s.  This is unexpected.  "
 720                                                   "Perhaps delete the account and try again.\n",
 721                                                   r->in.account_name, new_account_type, old_account_type);
 722                         talloc_free(tmp_ctx);
 723                         return NT_STATUS_INVALID_PARAMETER;
 724                 } else {
 725                         /* The account is of the wrong type, so bail */
 726
 727                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 728                         r->out.error_string
 729                                 = talloc_asprintf(mem_ctx,
 730                                                   "The machine account (%s) already exists in the domain %s, "
 731                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 732                                                   "the account and try again.\n",
 733                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 734                         talloc_free(tmp_ctx);
 735                         return NT_STATUS_USER_EXISTS;
 736                 }
 737         } else {
 738                 acct_flags = qui.out.info->info16.acct_flags;
 739         }
 740
 741         acct_flags = (acct_flags & ~ACB_DISABLED);
 742
 743         /* Find out what password policy this user has */
 744         pwp.in.user_handle = u_handle;
 745
 746         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 747         if (NT_STATUS_IS_OK(status)) {
 748                 policy_min_pw_len = pwp.out.info.min_password_length;
 749         }
 750
 751         /* Grab a password of that minimum length */
 752
 753         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 754
 755         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 756         r2.samr_handle.in.account_name  = r->in.account_name;
 757         r2.samr_handle.in.newpassword   = password_str;
 758         r2.samr_handle.in.user_handle   = u_handle;
 759         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 760
 761         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 762         if (!NT_STATUS_IS_OK(status)) {
 763                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 764                 talloc_free(tmp_ctx);
 765                 return status;
 766         }
 767
 768         /* reset flags (if required) */
 769         if (acct_flags != qui.out.info->info16.acct_flags) {
 770                 ZERO_STRUCT(u_info);
 771                 u_info.info16.acct_flags = acct_flags;
 772
 773                 sui.in.user_handle = u_handle;
 774                 sui.in.info = &u_info;
 775                 sui.in.level = 16;
 776
 777                 dcerpc_samr_SetUserInfo(samr_pipe, tmp_ctx, &sui);
 778                 if (!NT_STATUS_IS_OK(status)) {
 779                         r->out.error_string = talloc_asprintf(mem_ctx,
 780                                                         "samr_SetUserInfo for [%s] failed to remove ACB_DISABLED flag: %s",
 781                                                         r->in.account_name,
 782                                                         nt_errstr(status));
 783                         talloc_free(tmp_ctx);
 784                         return status;
 785                 }
 786         }
 787
 788         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 789         if (!account_sid) {
 790                 r->out.error_string = NULL;
 791                 talloc_free(tmp_ctx);
 792                 return NT_STATUS_NO_MEMORY;
 793         }
 794
 795         /* Finish out by pushing various bits of status data out for the caller to use */
 796         r->out.join_password = password_str;
 797         talloc_steal(mem_ctx, r->out.join_password);
 798
 799         r->out.domain_sid = connect_with_info->out.domain_sid;
 800         talloc_steal(mem_ctx, r->out.domain_sid);
 801
 802         r->out.account_sid = account_sid;
 803         talloc_steal(mem_ctx, r->out.account_sid);
 804
 805         r->out.domain_name = connect_with_info->out.domain_name;
 806         talloc_steal(mem_ctx, r->out.domain_name);
 807         r->out.realm = connect_with_info->out.realm;
 808         talloc_steal(mem_ctx, r->out.realm);
 809         r->out.samr_pipe = samr_pipe;
 810         talloc_steal(mem_ctx, samr_pipe);
 811         r->out.samr_binding = samr_pipe->binding;
 812         talloc_steal(mem_ctx, r->out.samr_binding);
 813         r->out.user_handle = u_handle;
 814         talloc_steal(mem_ctx, u_handle);
 815         r->out.error_string = r2.samr_handle.out.error_string;
 816         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 817         r->out.kvno = 0;
 818         r->out.server_dn_str = NULL;
 819         talloc_free(tmp_ctx);
 820
 821         /* Now, if it was AD, then we want to start looking changing a
 822          * few more things.  Otherwise, we are done. */
 823         if (r->out.realm) {
 824                 status = libnet_JoinADSDomain(ctx, r);
 825                 return status;
 826         }
 827
 828         return status;
 829 }
 830
 831 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 832                                            TALLOC_CTX *mem_ctx,
 833                                            struct libnet_Join *r)
 834 {
 835         NTSTATUS status;
 836         TALLOC_CTX *tmp_mem;
 837         struct libnet_JoinDomain *r2;
 838         int ret, rtn;
 839         struct ldb_context *ldb;
 840         const struct ldb_dn *base_dn;
 841         struct ldb_message **msgs, *msg;
 842         const char *sct;
 843         const char * const attrs[] = {
 844                 "whenChanged",
 845                 "secret",
 846                 "priorSecret",
 847                 "priorChanged",
 848                 "krb5Keytab",
 849                 "privateKeytab",
 850                 NULL
 851         };
 852         uint32_t acct_type = 0;
 853         const char *account_name;
 854         const char *netbios_name;
 855         char *filter;
 856
 857         r->out.error_string = NULL;
 858
 859         tmp_mem = talloc_new(mem_ctx);
 860         if (!tmp_mem) {
 861                 return NT_STATUS_NO_MEMORY;
 862         }
 863
 864         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 865         if (!r2) {
 866                 r->out.error_string = NULL;
 867                 talloc_free(tmp_mem);
 868                 return NT_STATUS_NO_MEMORY;
 869         }
 870
 871         if (r->in.join_type == SEC_CHAN_BDC) {
 872                 acct_type = ACB_SVRTRUST;
 873         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 874                 acct_type = ACB_WSTRUST;
 875         } else {
 876                 r->out.error_string = NULL;
 877                 talloc_free(tmp_mem);
 878                 return NT_STATUS_INVALID_PARAMETER;
 879         }
 880
 881         if (r->in.netbios_name != NULL) {
 882                 netbios_name = r->in.netbios_name;
 883         } else {
 884                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 885                 if (!netbios_name) {
 886                         r->out.error_string = NULL;
 887                         talloc_free(tmp_mem);
 888                         return NT_STATUS_NO_MEMORY;
 889                 }
 890         }
 891
 892         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 893         if (!account_name) {
 894                 r->out.error_string = NULL;
 895                 talloc_free(tmp_mem);
 896                 return NT_STATUS_NO_MEMORY;
 897         }
 898
 899         /*
 900          * Local secrets are stored in secrets.ldb
 901          * open it to make sure we can write the info into it after the join
 902          */
 903         ldb = secrets_db_connect(tmp_mem);
 904         if (!ldb) {
 905                 r->out.error_string
 906                         = talloc_asprintf(mem_ctx,
 907                                           "Could not open secrets database\n");
 908                 talloc_free(tmp_mem);
 909                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 910         }
 911
 912         /*
 913          * join the domain
 914          */
 915         ZERO_STRUCTP(r2);
 916         r2->in.domain_name      = r->in.domain_name;
 917         r2->in.account_name     = account_name;
 918         r2->in.netbios_name     = netbios_name;
 919         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 920         r2->in.acct_type        = acct_type;
 921         r2->in.recreate_account = False;
 922         status = libnet_JoinDomain(ctx, r2, r2);
 923         if (!NT_STATUS_IS_OK(status)) {
 924                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 925                 talloc_free(tmp_mem);
 926                 return status;
 927         }
 928
 929         /*
 930          * now prepare the record for secrets.ldb
 931          */
 932         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 933         if (!sct) {
 934                 r->out.error_string = NULL;
 935                 talloc_free(tmp_mem);
 936                 return NT_STATUS_NO_MEMORY;
 937         }
 938
 939         msg = ldb_msg_new(tmp_mem);
 940         if (!msg) {
 941                 r->out.error_string = NULL;
 942                 talloc_free(tmp_mem);
 943                 return NT_STATUS_NO_MEMORY;
 944         }
 945
 946         base_dn = ldb_dn_explode(tmp_mem, "cn=Primary Domains");
 947         if (!base_dn) {
 948                 r->out.error_string = NULL;
 949                 talloc_free(tmp_mem);
 950                 return NT_STATUS_NO_MEMORY;
 951         }
 952
 953         msg->dn = ldb_dn_build_child(tmp_mem, "flatname", r2->out.domain_name, base_dn);
 954         if (!msg->dn) {
 955                 r->out.error_string = NULL;
 956                 talloc_free(tmp_mem);
 957                 return NT_STATUS_NO_MEMORY;
 958         }
 959
 960         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 961         if (rtn == -1) {
 962                 r->out.error_string = NULL;
 963                 talloc_free(tmp_mem);
 964                 return NT_STATUS_NO_MEMORY;
 965         }
 966
 967         if (r2->out.realm) {
 968                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 969                 if (rtn == -1) {
 970                         r->out.error_string = NULL;
 971                         talloc_free(tmp_mem);
 972                         return NT_STATUS_NO_MEMORY;
 973                 }
 974
 975                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 976                 if (rtn == -1) {
 977                         r->out.error_string = NULL;
 978                         talloc_free(tmp_mem);
 979                         return NT_STATUS_NO_MEMORY;
 980                 }
 981         }
 982
 983         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 984         if (rtn == -1) {
 985                 r->out.error_string = NULL;
 986                 talloc_free(tmp_mem);
 987                 return NT_STATUS_NO_MEMORY;
 988         }
 989
 990         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
 991         if (rtn == -1) {
 992                 r->out.error_string = NULL;
 993                 talloc_free(tmp_mem);
 994                 return NT_STATUS_NO_MEMORY;
 995         }
 996
 997         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
 998         if (rtn == -1) {
 999                 r->out.error_string = NULL;
1000                 talloc_free(tmp_mem);
1001                 return NT_STATUS_NO_MEMORY;
1002         }
1003
1004         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1005         if (rtn == -1) {
1006                 r->out.error_string = NULL;
1007                 talloc_free(tmp_mem);
1008                 return NT_STATUS_NO_MEMORY;
1009         }
1010
1011         if (r2->out.kvno) {
1012                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1013                                          r2->out.kvno);
1014                 if (rtn == -1) {
1015                         r->out.error_string = NULL;
1016                         talloc_free(tmp_mem);
1017                         return NT_STATUS_NO_MEMORY;
1018                 }
1019         }
1020
1021         if (r2->out.domain_sid) {
1022                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1023                                             r2->out.domain_sid);
1024                 if (rtn == -1) {
1025                         r->out.error_string = NULL;
1026                         talloc_free(tmp_mem);
1027                         return NT_STATUS_NO_MEMORY;
1028                 }
1029         }
1030
1031         /*
1032          * search for the secret record
1033          * - remove the records we find
1034          * - and fetch the old secret and store it under priorSecret
1035          */
1036         ret = gendb_search(ldb,
1037                            tmp_mem, base_dn,
1038                            &msgs, attrs,
1039                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1040                            r2->out.domain_name, r2->out.realm);
1041         if (ret == 0) {
1042                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1043                 if (rtn == -1) {
1044                         r->out.error_string = NULL;
1045                         talloc_free(tmp_mem);
1046                         return NT_STATUS_NO_MEMORY;
1047                 }
1048         } else if (ret == -1) {
1049                 r->out.error_string
1050                         = talloc_asprintf(mem_ctx,
1051                                           "Search for domain: %s and realm: %s failed: %s",
1052                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1053                 talloc_free(tmp_mem);
1054                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1055         } else {
1056                 const struct ldb_val *private_keytab;
1057                 const struct ldb_val *krb5_keytab;
1058                 const struct ldb_val *prior_secret;
1059                 const struct ldb_val *prior_modified_time;
1060                 int i;
1061
1062                 for (i = 0; i < ret; i++) {
1063                         ldb_delete(ldb, msgs[i]->dn);
1064                 }
1065
1066                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1067                 if (prior_secret) {
1068                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1069                         if (rtn == -1) {
1070                                 r->out.error_string = NULL;
1071                                 talloc_free(tmp_mem);
1072                                 return NT_STATUS_NO_MEMORY;
1073                         }
1074                 }
1075                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1076                 if (rtn == -1) {
1077                         r->out.error_string = NULL;
1078                         talloc_free(tmp_mem);
1079                         return NT_STATUS_NO_MEMORY;
1080                 }
1081
1082                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1083                                                            "whenChanged");
1084                 if (prior_modified_time) {
1085                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1086                                                   prior_modified_time);
1087                         if (rtn == -1) {
1088                                 r->out.error_string = NULL;
1089                                 talloc_free(tmp_mem);
1090                                 return NT_STATUS_NO_MEMORY;
1091                         }
1092                 }
1093
1094                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1095                 if (rtn == -1) {
1096                         r->out.error_string = NULL;
1097                         talloc_free(tmp_mem);
1098                         return NT_STATUS_NO_MEMORY;
1099                 }
1100
1101                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1102                 if (rtn == -1) {
1103                         r->out.error_string = NULL;
1104                         talloc_free(tmp_mem);
1105                         return NT_STATUS_NO_MEMORY;
1106                 }
1107
1108                 /* We will want to keep the keytab names */
1109                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1110                 if (private_keytab) {
1111                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1112                         if (rtn == -1) {
1113                                 r->out.error_string = NULL;
1114                                 talloc_free(tmp_mem);
1115                                 return NT_STATUS_NO_MEMORY;
1116                         }
1117                 }
1118                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1119                 if (krb5_keytab) {
1120                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1121                         if (rtn == -1) {
1122                                 r->out.error_string = NULL;
1123                                 talloc_free(tmp_mem);
1124                                 return NT_STATUS_NO_MEMORY;
1125                         }
1126                 }
1127         }
1128
1129         /* create the secret */
1130         ret = samdb_add(ldb, tmp_mem, msg);
1131         if (ret != 0) {
1132                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s\n",
1133                                                       ldb_dn_linearize(ldb, msg->dn));
1134                 talloc_free(tmp_mem);
1135                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1136         }
1137
1138         if (r2->out.realm) {
1139                 struct cli_credentials *creds;
1140                 /* Make a credentials structure from it */
1141                 creds = cli_credentials_init(mem_ctx);
1142                 if (!creds) {
1143                         r->out.error_string = NULL;
1144                         talloc_free(tmp_mem);
1145                         return NT_STATUS_NO_MEMORY;
1146                 }
1147                 cli_credentials_set_conf(creds);
1148                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msg->dn));
1149                 status = cli_credentials_set_secrets(creds, NULL, filter);
1150                 if (!NT_STATUS_IS_OK(status)) {
1151                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s\n",
1152                                                               filter);
1153                         talloc_free(tmp_mem);
1154                         return status;
1155                 }
1156                 ret = cli_credentials_update_keytab(creds);
1157                 if (ret != 0) {
1158                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s\n",
1159                                                               filter);
1160                         talloc_free(tmp_mem);
1161                         return NT_STATUS_UNSUCCESSFUL;
1162                 }
1163         }
1164
1165         /* move all out parameter to the callers TALLOC_CTX */
1166         r->out.error_string     = NULL;
1167         r->out.join_password    = r2->out.join_password;
1168         talloc_steal(mem_ctx, r2->out.join_password);
1169         r->out.domain_sid       = r2->out.domain_sid;
1170         talloc_steal(mem_ctx, r2->out.domain_sid);
1171         r->out.domain_name      = r2->out.domain_name;
1172         talloc_steal(mem_ctx, r2->out.domain_name);
1173         talloc_free(tmp_mem);
1174         return NT_STATUS_OK;
1175 }
1176
1177 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1178 {
1179         switch (r->in.join_type) {
1180                 case SEC_CHAN_WKSTA:
1181                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1182                 case SEC_CHAN_BDC:
1183                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1184                 case SEC_CHAN_DOMAIN:
1185                         break;
1186         }
1187
1188         r->out.error_string = talloc_asprintf(mem_ctx,
1189                                               "Invalid join type specified (%08X) attempting to join domain %s",
1190                                               r->in.join_type, r->in.domain_name);
1191         return NT_STATUS_INVALID_PARAMETER;
1192 }