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 "param/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 "auth/credentials/credentials_krb5.h"
  34 #include "librpc/gen_ndr/ndr_samr_c.h"
  35
  36 /*
  37  * complete a domain join, when joining to a AD domain:
  38  * 1.) connect and bind to the DRSUAPI pipe
  39  * 2.) do a DsCrackNames() to find the machine account dn
  40  * 3.) connect to LDAP
  41  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  42  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  43  * 6.) do a DsCrackNames() to find the domain dn
  44  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  45  */
  46 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  47 {
  48         NTSTATUS status;
  49
  50         TALLOC_CTX *tmp_ctx;
  51
  52         const char *realm = r->out.realm;
  53
  54         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  55
  56         struct dcerpc_pipe *drsuapi_pipe;
  57         struct dcerpc_binding *drsuapi_binding;
  58         struct drsuapi_DsBind r_drsuapi_bind;
  59         struct drsuapi_DsCrackNames r_crack_names;
  60         struct drsuapi_DsNameString names[1];
  61         struct policy_handle drsuapi_bind_handle;
  62         struct GUID drsuapi_bind_guid;
  63
  64         struct ldb_context *remote_ldb;
  65         struct ldb_dn *account_dn;
  66         const char *account_dn_str;
  67         const char *remote_ldb_url;
  68         struct ldb_result *res;
  69         struct ldb_message *msg;
  70
  71         int ret, rtn;
  72
  73         unsigned int kvno;
  74
  75         const char * const attrs[] = {
  76                 "msDS-KeyVersionNumber",
  77                 "servicePrincipalName",
  78                 "dNSHostName",
  79                 "objectGUID",
  80                 NULL,
  81         };
  82
  83         r->out.error_string = NULL;
  84
  85         /* We need to convert between a samAccountName and domain to a
  86          * DN in the directory.  The correct way to do this is with
  87          * DRSUAPI CrackNames */
  88
  89         /* Fiddle with the bindings, so get to DRSUAPI on
  90          * NCACN_IP_TCP, sealed */
  91         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  92         if (!tmp_ctx) {
  93                 r->out.error_string = NULL;
  94                 return NT_STATUS_NO_MEMORY;
  95         }
  96
  97         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  98         if (!drsuapi_binding) {
  99                 r->out.error_string = NULL;
 100                 talloc_free(tmp_ctx);
 101                 return NT_STATUS_NO_MEMORY;
 102         }
 103
 104         *drsuapi_binding = *samr_binding;
 105
 106         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 107         if (drsuapi_binding->transport != NCALRPC) {
 108                 drsuapi_binding->transport = NCACN_IP_TCP;
 109         }
 110         drsuapi_binding->endpoint = NULL;
 111         drsuapi_binding->flags |= DCERPC_SEAL;
 112
 113         status = dcerpc_pipe_connect_b(tmp_ctx,
 114                                        &drsuapi_pipe,
 115                                        drsuapi_binding,
 116                                        &dcerpc_table_drsuapi,
 117                                        ctx->cred,
 118                                        ctx->event_ctx);
 119         if (!NT_STATUS_IS_OK(status)) {
 120                 r->out.error_string = talloc_asprintf(r,
 121                                         "Connection to DRSUAPI pipe of PDC of domain '%s' failed: %s",
 122                                         r->in.domain_name,
 123                                         nt_errstr(status));
 124                 talloc_free(tmp_ctx);
 125                 return status;
 126         }
 127
 128         /* get a DRSUAPI pipe handle */
 129         GUID_from_string(DRSUAPI_DS_BIND_GUID, &drsuapi_bind_guid);
 130
 131         r_drsuapi_bind.in.bind_guid = &drsuapi_bind_guid;
 132         r_drsuapi_bind.in.bind_info = NULL;
 133         r_drsuapi_bind.out.bind_handle = &drsuapi_bind_handle;
 134
 135         status = dcerpc_drsuapi_DsBind(drsuapi_pipe, tmp_ctx, &r_drsuapi_bind);
 136         if (!NT_STATUS_IS_OK(status)) {
 137                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 138                         r->out.error_string
 139                                 = talloc_asprintf(r,
 140                                                   "dcerpc_drsuapi_DsBind failed - %s",
 141                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 142                         talloc_free(tmp_ctx);
 143                         return status;
 144                 } else {
 145                         r->out.error_string
 146                                 = talloc_asprintf(r,
 147                                                   "dcerpc_drsuapi_DsBind failed - %s",
 148                                                   nt_errstr(status));
 149                         talloc_free(tmp_ctx);
 150                         return status;
 151                 }
 152         } else if (!W_ERROR_IS_OK(r_drsuapi_bind.out.result)) {
 153                 r->out.error_string
 154                                 = talloc_asprintf(r,
 155                                                   "DsBind failed - %s",
 156                                                   win_errstr(r_drsuapi_bind.out.result));
 157                         talloc_free(tmp_ctx);
 158                 return NT_STATUS_UNSUCCESSFUL;
 159         }
 160
 161         /* Actually 'crack' the names */
 162         ZERO_STRUCT(r_crack_names);
 163         r_crack_names.in.bind_handle            = &drsuapi_bind_handle;
 164         r_crack_names.in.level                  = 1;
 165         r_crack_names.in.req.req1.unknown1      = 0x000004e4;
 166         r_crack_names.in.req.req1.unknown2      = 0x00000407;
 167         r_crack_names.in.req.req1.count         = 1;
 168         r_crack_names.in.req.req1.names         = names;
 169         r_crack_names.in.req.req1.format_flags  = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 170         r_crack_names.in.req.req1.format_offered= DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 171         r_crack_names.in.req.req1.format_desired= DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 172         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 173         if (!names[0].str) {
 174                 r->out.error_string = NULL;
 175                 talloc_free(tmp_ctx);
 176                 return NT_STATUS_NO_MEMORY;
 177         }
 178
 179         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 180         if (!NT_STATUS_IS_OK(status)) {
 181                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 182                         r->out.error_string
 183                                 = talloc_asprintf(r,
 184                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 185                                                   names[0].str,
 186                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 187                         talloc_free(tmp_ctx);
 188                         return status;
 189                 } else {
 190                         r->out.error_string
 191                                 = talloc_asprintf(r,
 192                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 193                                                   names[0].str,
 194                                                   nt_errstr(status));
 195                         talloc_free(tmp_ctx);
 196                         return status;
 197                 }
 198         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 199                 r->out.error_string
 200                                 = talloc_asprintf(r,
 201                                                   "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 202                 talloc_free(tmp_ctx);
 203                 return NT_STATUS_UNSUCCESSFUL;
 204         } else if (r_crack_names.out.level != 1
 205                    || !r_crack_names.out.ctr.ctr1
 206                    || r_crack_names.out.ctr.ctr1->count != 1) {
 207                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 208                 talloc_free(tmp_ctx);
 209                 return NT_STATUS_INVALID_PARAMETER;
 210         } else if (r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 211                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: %d", r_crack_names.out.ctr.ctr1->array[0].status);
 212                 talloc_free(tmp_ctx);
 213                 return NT_STATUS_UNSUCCESSFUL;
 214         } else if (r_crack_names.out.ctr.ctr1->array[0].result_name == NULL) {
 215                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: no result name");
 216                 talloc_free(tmp_ctx);
 217                 return NT_STATUS_INVALID_PARAMETER;
 218         }
 219
 220         /* Store the DN of our machine account. */
 221         account_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 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->target_hostname);
 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         account_dn = ldb_dn_new(tmp_ctx, remote_ldb, account_dn_str);
 242         if (! ldb_dn_validate(account_dn)) {
 243                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 244                                                       account_dn_str);
 245                 talloc_free(tmp_ctx);
 246                 return NT_STATUS_UNSUCCESSFUL;
 247         }
 248
 249         /* search for the user's record */
 250         ret = ldb_search(remote_ldb, account_dn, LDB_SCOPE_BASE,
 251                          NULL, attrs, &res);
 252         if (ret != LDB_SUCCESS) {
 253                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s",
 254                                                       account_dn_str, ldb_errstring(remote_ldb));
 255                 talloc_free(tmp_ctx);
 256                 return NT_STATUS_UNSUCCESSFUL;
 257         }
 258
 259         talloc_steal(tmp_ctx, res);
 260
 261         if (res->count != 1) {
 262                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - found %d entries",
 263                                                       account_dn_str, res->count);
 264                 talloc_free(tmp_ctx);
 265                 return NT_STATUS_UNSUCCESSFUL;
 266         }
 267
 268         /* Prepare a new message, for the modify */
 269         msg = ldb_msg_new(tmp_ctx);
 270         if (!msg) {
 271                 r->out.error_string = NULL;
 272                 talloc_free(tmp_ctx);
 273                 return NT_STATUS_NO_MEMORY;
 274         }
 275         msg->dn = res->msgs[0]->dn;
 276
 277         {
 278                 int i;
 279                 const char *service_principal_name[6];
 280                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 281                                                             talloc_asprintf(tmp_ctx,
 282                                                                             "%s.%s",
 283                                                                             r->in.netbios_name,
 284                                                                             realm));
 285
 286                 if (!dns_host_name) {
 287                         r->out.error_string = NULL;
 288                         talloc_free(tmp_ctx);
 289                         return NT_STATUS_NO_MEMORY;
 290                 }
 291
 292                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 293                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 294                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 295                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 296                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 297                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 298
 299                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 300                         if (!service_principal_name[i]) {
 301                                 r->out.error_string = NULL;
 302                                 talloc_free(tmp_ctx);
 303                                 return NT_STATUS_NO_MEMORY;
 304                         }
 305                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 306                         if (rtn == -1) {
 307                                 r->out.error_string = NULL;
 308                                 talloc_free(tmp_ctx);
 309                                 return NT_STATUS_NO_MEMORY;
 310                         }
 311                 }
 312
 313                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 314                 if (rtn == -1) {
 315                         r->out.error_string = NULL;
 316                         talloc_free(tmp_ctx);
 317                         return NT_STATUS_NO_MEMORY;
 318                 }
 319
 320                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 321                 if (rtn != 0) {
 322                         r->out.error_string
 323                                 = talloc_asprintf(r,
 324                                                   "Failed to replace entries on %s",
 325                                                   ldb_dn_get_linearized(msg->dn));
 326                         talloc_free(tmp_ctx);
 327                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 328                 }
 329         }
 330
 331         /* DsCrackNames to find out the DN of the domain. */
 332         r_crack_names.in.req.req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 333         r_crack_names.in.req.req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 334         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 335         if (!names[0].str) {
 336                 r->out.error_string = NULL;
 337                 talloc_free(tmp_ctx);
 338                 return NT_STATUS_NO_MEMORY;
 339         }
 340
 341         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 342         if (!NT_STATUS_IS_OK(status)) {
 343                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 344                         r->out.error_string
 345                                 = talloc_asprintf(r,
 346                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 347                                                   r->in.domain_name,
 348                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 349                         talloc_free(tmp_ctx);
 350                         return status;
 351                 } else {
 352                         r->out.error_string
 353                                 = talloc_asprintf(r,
 354                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 355                                                   r->in.domain_name,
 356                                                   nt_errstr(status));
 357                         talloc_free(tmp_ctx);
 358                         return status;
 359                 }
 360         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 361                 r->out.error_string
 362                         = talloc_asprintf(r,
 363                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 364                 talloc_free(tmp_ctx);
 365                 return NT_STATUS_UNSUCCESSFUL;
 366         } else if (r_crack_names.out.level != 1
 367                    || !r_crack_names.out.ctr.ctr1
 368                    || r_crack_names.out.ctr.ctr1->count != 1
 369                    || !r_crack_names.out.ctr.ctr1->array[0].result_name
 370                    || r_crack_names.out.ctr.ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 371                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 372                 talloc_free(tmp_ctx);
 373                 return NT_STATUS_UNSUCCESSFUL;
 374         }
 375
 376         /* Store the account DN. */
 377         r->out.account_dn_str = account_dn_str;
 378         talloc_steal(r, account_dn_str);
 379
 380         /* Store the domain DN. */
 381         r->out.domain_dn_str = r_crack_names.out.ctr.ctr1->array[0].result_name;
 382         talloc_steal(r, r_crack_names.out.ctr.ctr1->array[0].result_name);
 383
 384         /* Store the KVNO of the account, critical for some kerberos
 385          * operations */
 386         r->out.kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 387
 388         /* Store the account GUID. */
 389         r->out.account_guid = samdb_result_guid(res->msgs[0], "objectGUID");
 390
 391         if (r->in.acct_type == ACB_SVRTRUST) {
 392                 status = libnet_JoinSite(remote_ldb, r);
 393         }
 394         talloc_free(tmp_ctx);
 395
 396         return status;
 397 }
 398
 399 /*
 400  * do a domain join using DCERPC/SAMR calls
 401  * - connect to the LSA pipe, to try and find out information about the domain
 402  * - create a secondary connection to SAMR pipe
 403  * - do a samr_Connect to get a policy handle
 404  * - do a samr_LookupDomain to get the domain sid
 405  * - do a samr_OpenDomain to get a domain handle
 406  * - do a samr_CreateAccount to try and get a new account
 407  *
 408  * If that fails, do:
 409  * - do a samr_LookupNames to get the users rid
 410  * - do a samr_OpenUser to get a user handle
 411  * - potentially delete and recreate the user
 412  * - assert the account is of the right type with samrQueryUserInfo
 413  *
 414  * - call libnet_SetPassword_samr_handle to set the password,
 415  *   and pass a samr_UserInfo21 struct to set full_name and the account flags
 416  *
 417  * - do some ADS specific things when we join as Domain Controller,
 418  *    look at libnet_joinADSDomain() for the details
 419  */
 420 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 421 {
 422         TALLOC_CTX *tmp_ctx;
 423
 424         NTSTATUS status, cu_status;
 425
 426         struct libnet_RpcConnect *connect_with_info;
 427         struct dcerpc_pipe *samr_pipe;
 428
 429         struct samr_Connect sc;
 430         struct policy_handle p_handle;
 431         struct samr_OpenDomain od;
 432         struct policy_handle d_handle;
 433         struct samr_LookupNames ln;
 434         struct samr_OpenUser ou;
 435         struct samr_CreateUser2 cu;
 436         struct policy_handle *u_handle = NULL;
 437         struct samr_QueryUserInfo qui;
 438         struct samr_UserInfo21 u_info21;
 439         union libnet_SetPassword r2;
 440         struct samr_GetUserPwInfo pwp;
 441         struct lsa_String samr_account_name;
 442
 443         uint32_t acct_flags, old_acct_flags;
 444         uint32_t rid, access_granted;
 445         int policy_min_pw_len = 0;
 446
 447         struct dom_sid *account_sid = NULL;
 448         const char *password_str = NULL;
 449
 450         r->out.error_string = NULL;
 451         r2.samr_handle.out.error_string = NULL;
 452
 453         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 454         if (!tmp_ctx) {
 455                 r->out.error_string = NULL;
 456                 return NT_STATUS_NO_MEMORY;
 457         }
 458
 459         u_handle = talloc(tmp_ctx, struct policy_handle);
 460         if (!u_handle) {
 461                 r->out.error_string = NULL;
 462                 talloc_free(tmp_ctx);
 463                 return NT_STATUS_NO_MEMORY;
 464         }
 465
 466         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 467         if (!connect_with_info) {
 468                 r->out.error_string = NULL;
 469                 talloc_free(tmp_ctx);
 470                 return NT_STATUS_NO_MEMORY;
 471         }
 472
 473         /* prepare connect to the SAMR pipe of PDC */
 474         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 475                 connect_with_info->in.binding = NULL;
 476                 connect_with_info->in.name    = r->in.domain_name;
 477         } else {
 478                 connect_with_info->in.binding = r->in.binding;
 479                 connect_with_info->in.name    = NULL;
 480         }
 481
 482         /* This level makes a connection to the LSA pipe on the way,
 483          * to get some useful bits of information about the domain */
 484         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 485         connect_with_info->in.dcerpc_iface    = &dcerpc_table_samr;
 486
 487         /*
 488           establish the SAMR connection
 489         */
 490         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 491         if (!NT_STATUS_IS_OK(status)) {
 492                 if (r->in.binding) {
 493                         r->out.error_string = talloc_asprintf(mem_ctx,
 494                                                               "Connection to SAMR pipe of DC %s failed: %s",
 495                                                               r->in.binding, connect_with_info->out.error_string);
 496                 } else {
 497                         r->out.error_string = talloc_asprintf(mem_ctx,
 498                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 499                                                               r->in.domain_name, connect_with_info->out.error_string);
 500                 }
 501                 talloc_free(tmp_ctx);
 502                 return status;
 503         }
 504
 505         samr_pipe = connect_with_info->out.dcerpc_pipe;
 506
 507         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 508                                   connect_with_info->out.dcerpc_pipe->binding,
 509                                   &dcerpc_table_samr, ctx->cred);
 510         if (!NT_STATUS_IS_OK(status)) {
 511                 r->out.error_string = talloc_asprintf(mem_ctx,
 512                                                 "SAMR bind failed: %s",
 513                                                 nt_errstr(status));
 514                 talloc_free(tmp_ctx);
 515                 return status;
 516         }
 517
 518         /* prepare samr_Connect */
 519         ZERO_STRUCT(p_handle);
 520         sc.in.system_name = NULL;
 521         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 522         sc.out.connect_handle = &p_handle;
 523
 524         /* 2. do a samr_Connect to get a policy handle */
 525         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 526         if (!NT_STATUS_IS_OK(status)) {
 527                 r->out.error_string = talloc_asprintf(mem_ctx,
 528                                                 "samr_Connect failed: %s",
 529                                                 nt_errstr(status));
 530                 talloc_free(tmp_ctx);
 531                 return status;
 532         }
 533
 534         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 535         if (!connect_with_info->out.domain_name) {
 536                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 537                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 538                 } else {
 539                         /* Bugger, we just lost our way to automaticly find the domain name */
 540                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup());
 541                 }
 542         }
 543
 544         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 545         if (!connect_with_info->out.domain_sid) {
 546                 struct lsa_String name;
 547                 struct samr_LookupDomain l;
 548                 name.string = connect_with_info->out.domain_name;
 549                 l.in.connect_handle = &p_handle;
 550                 l.in.domain_name = &name;
 551
 552                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 553                 if (!NT_STATUS_IS_OK(status)) {
 554                         r->out.error_string = talloc_asprintf(mem_ctx,
 555                                                               "SAMR LookupDomain failed: %s",
 556                                                               nt_errstr(status));
 557                         talloc_free(tmp_ctx);
 558                         return status;
 559                 }
 560                 connect_with_info->out.domain_sid = l.out.sid;
 561         }
 562
 563         /* prepare samr_OpenDomain */
 564         ZERO_STRUCT(d_handle);
 565         od.in.connect_handle = &p_handle;
 566         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 567         od.in.sid = connect_with_info->out.domain_sid;
 568         od.out.domain_handle = &d_handle;
 569
 570         /* do a samr_OpenDomain to get a domain handle */
 571         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 572         if (!NT_STATUS_IS_OK(status)) {
 573                 r->out.error_string = talloc_asprintf(mem_ctx,
 574                                                       "samr_OpenDomain for [%s] failed: %s",
 575                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 576                                                       nt_errstr(status));
 577                 talloc_free(tmp_ctx);
 578                 return status;
 579         }
 580
 581         /* prepare samr_CreateUser2 */
 582         ZERO_STRUCTP(u_handle);
 583         cu.in.domain_handle  = &d_handle;
 584         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 585         samr_account_name.string = r->in.account_name;
 586         cu.in.account_name    = &samr_account_name;
 587         cu.in.acct_flags      = r->in.acct_type;
 588         cu.out.user_handle    = u_handle;
 589         cu.out.rid            = &rid;
 590         cu.out.access_granted = &access_granted;
 591
 592         /* do a samr_CreateUser2 to get an account handle, or an error */
 593         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 594         status = cu_status;
 595         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 596                 /* prepare samr_LookupNames */
 597                 ln.in.domain_handle = &d_handle;
 598                 ln.in.num_names = 1;
 599                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 600                 if (!ln.in.names) {
 601                         r->out.error_string = NULL;
 602                         talloc_free(tmp_ctx);
 603                         return NT_STATUS_NO_MEMORY;
 604                 }
 605                 ln.in.names[0].string = r->in.account_name;
 606
 607                 /* 5. do a samr_LookupNames to get the users rid */
 608                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 609                 if (!NT_STATUS_IS_OK(status)) {
 610                         r->out.error_string = talloc_asprintf(mem_ctx,
 611                                                 "samr_LookupNames for [%s] failed: %s",
 612                                                 r->in.account_name,
 613                                                 nt_errstr(status));
 614                         talloc_free(tmp_ctx);
 615                         return status;
 616                 }
 617
 618                 /* check if we got one RID for the user */
 619                 if (ln.out.rids.count != 1) {
 620                         r->out.error_string = talloc_asprintf(mem_ctx,
 621                                                               "samr_LookupNames for [%s] returns %d RIDs",
 622                                                               r->in.account_name, ln.out.rids.count);
 623                         talloc_free(tmp_ctx);
 624                         return NT_STATUS_INVALID_PARAMETER;
 625                 }
 626
 627                 /* prepare samr_OpenUser */
 628                 ZERO_STRUCTP(u_handle);
 629                 ou.in.domain_handle = &d_handle;
 630                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 631                 ou.in.rid = ln.out.rids.ids[0];
 632                 rid = ou.in.rid;
 633                 ou.out.user_handle = u_handle;
 634
 635                 /* 6. do a samr_OpenUser to get a user handle */
 636                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 637                 if (!NT_STATUS_IS_OK(status)) {
 638                         r->out.error_string = talloc_asprintf(mem_ctx,
 639                                                         "samr_OpenUser for [%s] failed: %s",
 640                                                         r->in.account_name,
 641                                                         nt_errstr(status));
 642                         talloc_free(tmp_ctx);
 643                         return status;
 644                 }
 645
 646                 if (r->in.recreate_account) {
 647                         struct samr_DeleteUser d;
 648                         d.in.user_handle = u_handle;
 649                         d.out.user_handle = u_handle;
 650                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 651                         if (!NT_STATUS_IS_OK(status)) {
 652                                 r->out.error_string = talloc_asprintf(mem_ctx,
 653                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 654                                                                       r->in.account_name,
 655                                                                       nt_errstr(status));
 656                                 talloc_free(tmp_ctx);
 657                                 return status;
 658                         }
 659
 660                         /* We want to recreate, so delete and another samr_CreateUser2 */
 661
 662                         /* &cu filled in above */
 663                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 664                         if (!NT_STATUS_IS_OK(status)) {
 665                                 r->out.error_string = talloc_asprintf(mem_ctx,
 666                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 667                                                                       r->in.account_name, nt_errstr(status));
 668                                 talloc_free(tmp_ctx);
 669                                 return status;
 670                         }
 671                 }
 672         } else if (!NT_STATUS_IS_OK(status)) {
 673                 r->out.error_string = talloc_asprintf(mem_ctx,
 674                                                       "samr_CreateUser2 for [%s] failed: %s",
 675                                                       r->in.account_name, nt_errstr(status));
 676                 talloc_free(tmp_ctx);
 677                 return status;
 678         }
 679
 680         /* prepare samr_QueryUserInfo (get flags) */
 681         qui.in.user_handle = u_handle;
 682         qui.in.level = 16;
 683
 684         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 685         if (!NT_STATUS_IS_OK(status)) {
 686                 r->out.error_string = talloc_asprintf(mem_ctx,
 687                                                 "samr_QueryUserInfo for [%s] failed: %s",
 688                                                 r->in.account_name,
 689                                                 nt_errstr(status));
 690                 talloc_free(tmp_ctx);
 691                 return status;
 692         }
 693
 694         if (!qui.out.info) {
 695                 status = NT_STATUS_INVALID_PARAMETER;
 696                 r->out.error_string
 697                         = talloc_asprintf(mem_ctx,
 698                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 699                                           r->in.account_name, nt_errstr(status));
 700                 talloc_free(tmp_ctx);
 701                 return status;
 702         }
 703
 704         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 705         /* Possibly bail if the account is of the wrong type */
 706         if (old_acct_flags
 707             != r->in.acct_type) {
 708                 const char *old_account_type, *new_account_type;
 709                 switch (old_acct_flags) {
 710                 case ACB_WSTRUST:
 711                         old_account_type = "domain member (member)";
 712                         break;
 713                 case ACB_SVRTRUST:
 714                         old_account_type = "domain controller (bdc)";
 715                         break;
 716                 case ACB_DOMTRUST:
 717                         old_account_type = "trusted domain";
 718                         break;
 719                 default:
 720                         return NT_STATUS_INVALID_PARAMETER;
 721                 }
 722                 switch (r->in.acct_type) {
 723                 case ACB_WSTRUST:
 724                         new_account_type = "domain member (member)";
 725                         break;
 726                 case ACB_SVRTRUST:
 727                         new_account_type = "domain controller (bdc)";
 728                         break;
 729                 case ACB_DOMTRUST:
 730                         new_account_type = "trusted domain";
 731                         break;
 732                 default:
 733                         return NT_STATUS_INVALID_PARAMETER;
 734                 }
 735
 736                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 737                         /* We created a new user, but they didn't come out the right type?!? */
 738                         r->out.error_string
 739                                 = talloc_asprintf(mem_ctx,
 740                                                   "We asked to create a new machine account (%s) of type %s, "
 741                                                   "but we got an account of type %s.  This is unexpected.  "
 742                                                   "Perhaps delete the account and try again.",
 743                                                   r->in.account_name, new_account_type, old_account_type);
 744                         talloc_free(tmp_ctx);
 745                         return NT_STATUS_INVALID_PARAMETER;
 746                 } else {
 747                         /* The account is of the wrong type, so bail */
 748
 749                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 750                         r->out.error_string
 751                                 = talloc_asprintf(mem_ctx,
 752                                                   "The machine account (%s) already exists in the domain %s, "
 753                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 754                                                   "the account and try again.",
 755                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 756                         talloc_free(tmp_ctx);
 757                         return NT_STATUS_USER_EXISTS;
 758                 }
 759         } else {
 760                 acct_flags = qui.out.info->info16.acct_flags;
 761         }
 762
 763         acct_flags = (acct_flags & ~(ACB_DISABLED|ACB_PWNOTREQ));
 764
 765         /* Find out what password policy this user has */
 766         pwp.in.user_handle = u_handle;
 767
 768         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 769         if (NT_STATUS_IS_OK(status)) {
 770                 policy_min_pw_len = pwp.out.info.min_password_length;
 771         }
 772
 773         /* Grab a password of that minimum length */
 774
 775         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 776
 777         /* set full_name and reset flags */
 778         ZERO_STRUCT(u_info21);
 779         u_info21.full_name.string       = r->in.account_name;
 780         u_info21.acct_flags             = acct_flags;
 781         u_info21.fields_present         = SAMR_FIELD_FULL_NAME | SAMR_FIELD_ACCT_FLAGS;
 782
 783         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 784         r2.samr_handle.in.account_name  = r->in.account_name;
 785         r2.samr_handle.in.newpassword   = password_str;
 786         r2.samr_handle.in.user_handle   = u_handle;
 787         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 788         r2.samr_handle.in.info21        = &u_info21;
 789
 790         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 791         if (!NT_STATUS_IS_OK(status)) {
 792                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 793                 talloc_free(tmp_ctx);
 794                 return status;
 795         }
 796
 797         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 798         if (!account_sid) {
 799                 r->out.error_string = NULL;
 800                 talloc_free(tmp_ctx);
 801                 return NT_STATUS_NO_MEMORY;
 802         }
 803
 804         /* Finish out by pushing various bits of status data out for the caller to use */
 805         r->out.join_password = password_str;
 806         talloc_steal(mem_ctx, r->out.join_password);
 807
 808         r->out.domain_sid = connect_with_info->out.domain_sid;
 809         talloc_steal(mem_ctx, r->out.domain_sid);
 810
 811         r->out.account_sid = account_sid;
 812         talloc_steal(mem_ctx, r->out.account_sid);
 813
 814         r->out.domain_name = connect_with_info->out.domain_name;
 815         talloc_steal(mem_ctx, r->out.domain_name);
 816         r->out.realm = connect_with_info->out.realm;
 817         talloc_steal(mem_ctx, r->out.realm);
 818         r->out.samr_pipe = samr_pipe;
 819         talloc_steal(mem_ctx, samr_pipe);
 820         r->out.samr_binding = samr_pipe->binding;
 821         talloc_steal(mem_ctx, r->out.samr_binding);
 822         r->out.user_handle = u_handle;
 823         talloc_steal(mem_ctx, u_handle);
 824         r->out.error_string = r2.samr_handle.out.error_string;
 825         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 826         r->out.kvno = 0;
 827         r->out.server_dn_str = NULL;
 828         talloc_free(tmp_ctx);
 829
 830         /* Now, if it was AD, then we want to start looking changing a
 831          * few more things.  Otherwise, we are done. */
 832         if (r->out.realm) {
 833                 status = libnet_JoinADSDomain(ctx, r);
 834                 return status;
 835         }
 836
 837         return status;
 838 }
 839
 840 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
 841                                            TALLOC_CTX *mem_ctx,
 842                                            struct libnet_Join *r)
 843 {
 844         NTSTATUS status;
 845         TALLOC_CTX *tmp_mem;
 846         struct libnet_JoinDomain *r2;
 847         int ret, rtn;
 848         struct ldb_context *ldb;
 849         struct ldb_dn *base_dn;
 850         struct ldb_message **msgs, *msg;
 851         const char *sct;
 852         const char * const attrs[] = {
 853                 "whenChanged",
 854                 "secret",
 855                 "priorSecret",
 856                 "priorChanged",
 857                 "krb5Keytab",
 858                 "privateKeytab",
 859                 NULL
 860         };
 861         uint32_t acct_type = 0;
 862         const char *account_name;
 863         const char *netbios_name;
 864         char *filter;
 865
 866         r->out.error_string = NULL;
 867
 868         tmp_mem = talloc_new(mem_ctx);
 869         if (!tmp_mem) {
 870                 return NT_STATUS_NO_MEMORY;
 871         }
 872
 873         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
 874         if (!r2) {
 875                 r->out.error_string = NULL;
 876                 talloc_free(tmp_mem);
 877                 return NT_STATUS_NO_MEMORY;
 878         }
 879
 880         if (r->in.join_type == SEC_CHAN_BDC) {
 881                 acct_type = ACB_SVRTRUST;
 882         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
 883                 acct_type = ACB_WSTRUST;
 884         } else {
 885                 r->out.error_string = NULL;
 886                 talloc_free(tmp_mem);
 887                 return NT_STATUS_INVALID_PARAMETER;
 888         }
 889
 890         if (r->in.netbios_name != NULL) {
 891                 netbios_name = r->in.netbios_name;
 892         } else {
 893                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name());
 894                 if (!netbios_name) {
 895                         r->out.error_string = NULL;
 896                         talloc_free(tmp_mem);
 897                         return NT_STATUS_NO_MEMORY;
 898                 }
 899         }
 900
 901         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
 902         if (!account_name) {
 903                 r->out.error_string = NULL;
 904                 talloc_free(tmp_mem);
 905                 return NT_STATUS_NO_MEMORY;
 906         }
 907
 908         /*
 909          * Local secrets are stored in secrets.ldb
 910          * open it to make sure we can write the info into it after the join
 911          */
 912         ldb = secrets_db_connect(tmp_mem);
 913         if (!ldb) {
 914                 r->out.error_string
 915                         = talloc_asprintf(mem_ctx,
 916                                           "Could not open secrets database");
 917                 talloc_free(tmp_mem);
 918                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 919         }
 920
 921         /*
 922          * join the domain
 923          */
 924         ZERO_STRUCTP(r2);
 925         r2->in.domain_name      = r->in.domain_name;
 926         r2->in.account_name     = account_name;
 927         r2->in.netbios_name     = netbios_name;
 928         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
 929         r2->in.acct_type        = acct_type;
 930         r2->in.recreate_account = False;
 931         status = libnet_JoinDomain(ctx, r2, r2);
 932         if (!NT_STATUS_IS_OK(status)) {
 933                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
 934                 talloc_free(tmp_mem);
 935                 return status;
 936         }
 937
 938         /*
 939          * now prepare the record for secrets.ldb
 940          */
 941         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 942         if (!sct) {
 943                 r->out.error_string = NULL;
 944                 talloc_free(tmp_mem);
 945                 return NT_STATUS_NO_MEMORY;
 946         }
 947
 948         msg = ldb_msg_new(tmp_mem);
 949         if (!msg) {
 950                 r->out.error_string = NULL;
 951                 talloc_free(tmp_mem);
 952                 return NT_STATUS_NO_MEMORY;
 953         }
 954
 955         base_dn = ldb_dn_new(tmp_mem, ldb, "cn=Primary Domains");
 956         if (!base_dn) {
 957                 r->out.error_string = NULL;
 958                 talloc_free(tmp_mem);
 959                 return NT_STATUS_NO_MEMORY;
 960         }
 961
 962         msg->dn = ldb_dn_copy(tmp_mem, base_dn);
 963         if ( ! ldb_dn_add_child_fmt(msg->dn, "flatname=%s", r2->out.domain_name)) {
 964                 r->out.error_string = NULL;
 965                 talloc_free(tmp_mem);
 966                 return NT_STATUS_NO_MEMORY;
 967         }
 968
 969         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r2->out.domain_name);
 970         if (rtn == -1) {
 971                 r->out.error_string = NULL;
 972                 talloc_free(tmp_mem);
 973                 return NT_STATUS_NO_MEMORY;
 974         }
 975
 976         if (r2->out.realm) {
 977                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r2->out.realm);
 978                 if (rtn == -1) {
 979                         r->out.error_string = NULL;
 980                         talloc_free(tmp_mem);
 981                         return NT_STATUS_NO_MEMORY;
 982                 }
 983
 984                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 985                 if (rtn == -1) {
 986                         r->out.error_string = NULL;
 987                         talloc_free(tmp_mem);
 988                         return NT_STATUS_NO_MEMORY;
 989                 }
 990         }
 991
 992         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 993         if (rtn == -1) {
 994                 r->out.error_string = NULL;
 995                 talloc_free(tmp_mem);
 996                 return NT_STATUS_NO_MEMORY;
 997         }
 998
 999         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1000         if (rtn == -1) {
1001                 r->out.error_string = NULL;
1002                 talloc_free(tmp_mem);
1003                 return NT_STATUS_NO_MEMORY;
1004         }
1005
1006         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1007         if (rtn == -1) {
1008                 r->out.error_string = NULL;
1009                 talloc_free(tmp_mem);
1010                 return NT_STATUS_NO_MEMORY;
1011         }
1012
1013         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1014         if (rtn == -1) {
1015                 r->out.error_string = NULL;
1016                 talloc_free(tmp_mem);
1017                 return NT_STATUS_NO_MEMORY;
1018         }
1019
1020         if (r2->out.kvno) {
1021                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
1022                                          r2->out.kvno);
1023                 if (rtn == -1) {
1024                         r->out.error_string = NULL;
1025                         talloc_free(tmp_mem);
1026                         return NT_STATUS_NO_MEMORY;
1027                 }
1028         }
1029
1030         if (r2->out.domain_sid) {
1031                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
1032                                             r2->out.domain_sid);
1033                 if (rtn == -1) {
1034                         r->out.error_string = NULL;
1035                         talloc_free(tmp_mem);
1036                         return NT_STATUS_NO_MEMORY;
1037                 }
1038         }
1039
1040         /*
1041          * search for the secret record
1042          * - remove the records we find
1043          * - and fetch the old secret and store it under priorSecret
1044          */
1045         ret = gendb_search(ldb,
1046                            tmp_mem, base_dn,
1047                            &msgs, attrs,
1048                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1049                            r2->out.domain_name, r2->out.realm);
1050         if (ret == 0) {
1051                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1052                 if (rtn == -1) {
1053                         r->out.error_string = NULL;
1054                         talloc_free(tmp_mem);
1055                         return NT_STATUS_NO_MEMORY;
1056                 }
1057         } else if (ret == -1) {
1058                 r->out.error_string
1059                         = talloc_asprintf(mem_ctx,
1060                                           "Search for domain: %s and realm: %s failed: %s",
1061                                           r2->out.domain_name, r2->out.realm, ldb_errstring(ldb));
1062                 talloc_free(tmp_mem);
1063                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1064         } else {
1065                 const struct ldb_val *private_keytab;
1066                 const struct ldb_val *krb5_keytab;
1067                 const struct ldb_val *prior_secret;
1068                 const struct ldb_val *prior_modified_time;
1069                 int i;
1070
1071                 for (i = 0; i < ret; i++) {
1072                         ldb_delete(ldb, msgs[i]->dn);
1073                 }
1074
1075                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1076                 if (prior_secret) {
1077                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1078                         if (rtn == -1) {
1079                                 r->out.error_string = NULL;
1080                                 talloc_free(tmp_mem);
1081                                 return NT_STATUS_NO_MEMORY;
1082                         }
1083                 }
1084                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r2->out.join_password);
1085                 if (rtn == -1) {
1086                         r->out.error_string = NULL;
1087                         talloc_free(tmp_mem);
1088                         return NT_STATUS_NO_MEMORY;
1089                 }
1090
1091                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1092                                                            "whenChanged");
1093                 if (prior_modified_time) {
1094                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1095                                                   prior_modified_time);
1096                         if (rtn == -1) {
1097                                 r->out.error_string = NULL;
1098                                 talloc_free(tmp_mem);
1099                                 return NT_STATUS_NO_MEMORY;
1100                         }
1101                 }
1102
1103                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r2->in.account_name);
1104                 if (rtn == -1) {
1105                         r->out.error_string = NULL;
1106                         talloc_free(tmp_mem);
1107                         return NT_STATUS_NO_MEMORY;
1108                 }
1109
1110                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1111                 if (rtn == -1) {
1112                         r->out.error_string = NULL;
1113                         talloc_free(tmp_mem);
1114                         return NT_STATUS_NO_MEMORY;
1115                 }
1116
1117                 /* We will want to keep the keytab names */
1118                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1119                 if (private_keytab) {
1120                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_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                 krb5_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1128                 if (krb5_keytab) {
1129                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "krb5Keytab", krb5_keytab);
1130                         if (rtn == -1) {
1131                                 r->out.error_string = NULL;
1132                                 talloc_free(tmp_mem);
1133                                 return NT_STATUS_NO_MEMORY;
1134                         }
1135                 }
1136         }
1137
1138         /* create the secret */
1139         ret = samdb_add(ldb, tmp_mem, msg);
1140         if (ret != 0) {
1141                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1142                                                       ldb_dn_get_linearized(msg->dn));
1143                 talloc_free(tmp_mem);
1144                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1145         }
1146
1147         if (r2->out.realm) {
1148                 struct cli_credentials *creds;
1149                 /* Make a credentials structure from it */
1150                 creds = cli_credentials_init(mem_ctx);
1151                 if (!creds) {
1152                         r->out.error_string = NULL;
1153                         talloc_free(tmp_mem);
1154                         return NT_STATUS_NO_MEMORY;
1155                 }
1156                 cli_credentials_set_conf(creds);
1157                 filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_get_linearized(msg->dn));
1158                 status = cli_credentials_set_secrets(creds, NULL, filter);
1159                 if (!NT_STATUS_IS_OK(status)) {
1160                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to read secrets for keytab update for %s",
1161                                                               filter);
1162                         talloc_free(tmp_mem);
1163                         return status;
1164                 }
1165                 ret = cli_credentials_update_keytab(creds);
1166                 if (ret != 0) {
1167                         r->out.error_string = talloc_asprintf(mem_ctx, "Failed to update keytab for %s",
1168                                                               filter);
1169                         talloc_free(tmp_mem);
1170                         return NT_STATUS_UNSUCCESSFUL;
1171                 }
1172         }
1173
1174         /* move all out parameter to the callers TALLOC_CTX */
1175         r->out.error_string     = NULL;
1176         r->out.join_password    = r2->out.join_password;
1177         talloc_steal(mem_ctx, r2->out.join_password);
1178         r->out.domain_sid       = r2->out.domain_sid;
1179         talloc_steal(mem_ctx, r2->out.domain_sid);
1180         r->out.domain_name      = r2->out.domain_name;
1181         talloc_steal(mem_ctx, r2->out.domain_name);
1182         talloc_free(tmp_mem);
1183         return NT_STATUS_OK;
1184 }
1185
1186 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1187 {
1188         switch (r->in.join_type) {
1189                 case SEC_CHAN_WKSTA:
1190                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1191                 case SEC_CHAN_BDC:
1192                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1193                 case SEC_CHAN_DOMAIN:
1194                         break;
1195         }
1196
1197         r->out.error_string = talloc_asprintf(mem_ctx,
1198                                               "Invalid join type specified (%08X) attempting to join domain %s",
1199                                               r->in.join_type, r->in.domain_name);
1200         return NT_STATUS_INVALID_PARAMETER;
1201 }