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 3 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, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libnet/libnet.h"
  24 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
  25 #include "lib/ldb/include/ldb.h"
  26 #include "lib/ldb/include/ldb_errors.h"
  27 #include "param/secrets.h"
  28 #include "dsdb/samdb/samdb.h"
  29 #include "ldb_wrap.h"
  30 #include "../lib/util/util_ldb.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 #include "param/param.h"
  36
  37 /*
  38  * complete a domain join, when joining to a AD domain:
  39  * 1.) connect and bind to the DRSUAPI pipe
  40  * 2.) do a DsCrackNames() to find the machine account dn
  41  * 3.) connect to LDAP
  42  * 4.) do an ldap search to find the "msDS-KeyVersionNumber" of the machine account
  43  * 5.) set the servicePrincipalName's of the machine account via LDAP, (maybe we should use DsWriteAccountSpn()...)
  44  * 6.) do a DsCrackNames() to find the domain dn
  45  * 7.) find out Site specific stuff, look at libnet_JoinSite() for details
  46  */
  47 static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_JoinDomain *r)
  48 {
  49         NTSTATUS status;
  50
  51         TALLOC_CTX *tmp_ctx;
  52
  53         const char *realm = r->out.realm;
  54
  55         struct dcerpc_binding *samr_binding = r->out.samr_binding;
  56
  57         struct dcerpc_pipe *drsuapi_pipe;
  58         struct dcerpc_binding *drsuapi_binding;
  59         struct drsuapi_DsBind r_drsuapi_bind;
  60         struct drsuapi_DsCrackNames r_crack_names;
  61         struct drsuapi_DsNameString names[1];
  62         struct policy_handle drsuapi_bind_handle;
  63         struct GUID drsuapi_bind_guid;
  64
  65         struct ldb_context *remote_ldb;
  66         struct ldb_dn *account_dn;
  67         const char *account_dn_str;
  68         const char *remote_ldb_url;
  69         struct ldb_result *res;
  70         struct ldb_message *msg;
  71
  72         int ret, rtn;
  73
  74         const char * const attrs[] = {
  75                 "msDS-KeyVersionNumber",
  76                 "servicePrincipalName",
  77                 "dNSHostName",
  78                 "objectGUID",
  79                 NULL,
  80         };
  81
  82         r->out.error_string = NULL;
  83
  84         /* We need to convert between a samAccountName and domain to a
  85          * DN in the directory.  The correct way to do this is with
  86          * DRSUAPI CrackNames */
  87
  88         /* Fiddle with the bindings, so get to DRSUAPI on
  89          * NCACN_IP_TCP, sealed */
  90         tmp_ctx = talloc_named(r, 0, "libnet_JoinADSDomain temp context");
  91         if (!tmp_ctx) {
  92                 r->out.error_string = NULL;
  93                 return NT_STATUS_NO_MEMORY;
  94         }
  95
  96         drsuapi_binding = talloc(tmp_ctx, struct dcerpc_binding);
  97         if (!drsuapi_binding) {
  98                 r->out.error_string = NULL;
  99                 talloc_free(tmp_ctx);
 100                 return NT_STATUS_NO_MEMORY;
 101         }
 102
 103         *drsuapi_binding = *samr_binding;
 104
 105         /* DRSUAPI is only available on IP_TCP, and locally on NCALRPC */
 106         if (drsuapi_binding->transport != NCALRPC) {
 107                 drsuapi_binding->transport = NCACN_IP_TCP;
 108         }
 109         drsuapi_binding->endpoint = NULL;
 110         drsuapi_binding->flags |= DCERPC_SEAL;
 111
 112         status = dcerpc_pipe_connect_b(tmp_ctx,
 113                                        &drsuapi_pipe,
 114                                        drsuapi_binding,
 115                                        &ndr_table_drsuapi,
 116                                        ctx->cred,
 117                                        ctx->event_ctx,
 118                                        ctx->lp_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->out.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                    = talloc(r, union drsuapi_DsNameRequest);
 166         if (!r_crack_names.in.req) {
 167                 r->out.error_string = NULL;
 168                 talloc_free(tmp_ctx);
 169                 return NT_STATUS_NO_MEMORY;
 170         }
 171         r_crack_names.in.req->req1.codepage     = 1252; /* western european */
 172         r_crack_names.in.req->req1.language     = 0x00000407; /* german */
 173         r_crack_names.in.req->req1.count        = 1;
 174         r_crack_names.in.req->req1.names        = names;
 175         r_crack_names.in.req->req1.format_flags = DRSUAPI_DS_NAME_FLAG_NO_FLAGS;
 176         r_crack_names.in.req->req1.format_offered = DRSUAPI_DS_NAME_FORMAT_SID_OR_SID_HISTORY;
 177         r_crack_names.in.req->req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 178         names[0].str = dom_sid_string(tmp_ctx, r->out.account_sid);
 179         if (!names[0].str) {
 180                 r->out.error_string = NULL;
 181                 talloc_free(tmp_ctx);
 182                 return NT_STATUS_NO_MEMORY;
 183         }
 184
 185         r_crack_names.out.ctr                   = talloc(r, union drsuapi_DsNameCtr);
 186         r_crack_names.out.level_out             = talloc(r, int32_t);
 187         if (!r_crack_names.out.ctr || !r_crack_names.out.level_out) {
 188                 r->out.error_string = NULL;
 189                 talloc_free(tmp_ctx);
 190                 return NT_STATUS_NO_MEMORY;
 191         }
 192
 193         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 194         if (!NT_STATUS_IS_OK(status)) {
 195                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 196                         r->out.error_string
 197                                 = talloc_asprintf(r,
 198                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 199                                                   names[0].str,
 200                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 201                         talloc_free(tmp_ctx);
 202                         return status;
 203                 } else {
 204                         r->out.error_string
 205                                 = talloc_asprintf(r,
 206                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 207                                                   names[0].str,
 208                                                   nt_errstr(status));
 209                         talloc_free(tmp_ctx);
 210                         return status;
 211                 }
 212         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 213                 r->out.error_string
 214                                 = talloc_asprintf(r,
 215                                                   "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 216                 talloc_free(tmp_ctx);
 217                 return NT_STATUS_UNSUCCESSFUL;
 218         } else if (*r_crack_names.out.level_out != 1
 219                    || !r_crack_names.out.ctr->ctr1
 220                    || r_crack_names.out.ctr->ctr1->count != 1) {
 221                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 222                 talloc_free(tmp_ctx);
 223                 return NT_STATUS_INVALID_PARAMETER;
 224         } else if (r_crack_names.out.ctr->ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 225                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: %d", r_crack_names.out.ctr->ctr1->array[0].status);
 226                 talloc_free(tmp_ctx);
 227                 return NT_STATUS_UNSUCCESSFUL;
 228         } else if (r_crack_names.out.ctr->ctr1->array[0].result_name == NULL) {
 229                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed: no result name");
 230                 talloc_free(tmp_ctx);
 231                 return NT_STATUS_INVALID_PARAMETER;
 232         }
 233
 234         /* Store the DN of our machine account. */
 235         account_dn_str = r_crack_names.out.ctr->ctr1->array[0].result_name;
 236
 237         /* Now we know the user's DN, open with LDAP, read and modify a few things */
 238
 239         remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
 240                                          drsuapi_binding->target_hostname);
 241         if (!remote_ldb_url) {
 242                 r->out.error_string = NULL;
 243                 talloc_free(tmp_ctx);
 244                 return NT_STATUS_NO_MEMORY;
 245         }
 246
 247         remote_ldb = ldb_wrap_connect(tmp_ctx, ctx->event_ctx, ctx->lp_ctx,
 248                                       remote_ldb_url,
 249                                       NULL, ctx->cred, 0, NULL);
 250         if (!remote_ldb) {
 251                 r->out.error_string = NULL;
 252                 talloc_free(tmp_ctx);
 253                 return NT_STATUS_UNSUCCESSFUL;
 254         }
 255
 256         account_dn = ldb_dn_new(tmp_ctx, remote_ldb, account_dn_str);
 257         if (! ldb_dn_validate(account_dn)) {
 258                 r->out.error_string = talloc_asprintf(r, "Invalid account dn: %s",
 259                                                       account_dn_str);
 260                 talloc_free(tmp_ctx);
 261                 return NT_STATUS_UNSUCCESSFUL;
 262         }
 263
 264         /* search for the user's record */
 265         ret = ldb_search(remote_ldb, tmp_ctx, &res,
 266                          account_dn, LDB_SCOPE_BASE, attrs, NULL);
 267         if (ret != LDB_SUCCESS) {
 268                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - %s",
 269                                                       account_dn_str, ldb_errstring(remote_ldb));
 270                 talloc_free(tmp_ctx);
 271                 return NT_STATUS_UNSUCCESSFUL;
 272         }
 273
 274         if (res->count != 1) {
 275                 r->out.error_string = talloc_asprintf(r, "ldb_search for %s failed - found %d entries",
 276                                                       account_dn_str, res->count);
 277                 talloc_free(tmp_ctx);
 278                 return NT_STATUS_UNSUCCESSFUL;
 279         }
 280
 281         /* Prepare a new message, for the modify */
 282         msg = ldb_msg_new(tmp_ctx);
 283         if (!msg) {
 284                 r->out.error_string = NULL;
 285                 talloc_free(tmp_ctx);
 286                 return NT_STATUS_NO_MEMORY;
 287         }
 288         msg->dn = res->msgs[0]->dn;
 289
 290         {
 291                 int i;
 292                 const char *service_principal_name[6];
 293                 const char *dns_host_name = strlower_talloc(tmp_ctx,
 294                                                             talloc_asprintf(tmp_ctx,
 295                                                                             "%s.%s",
 296                                                                             r->in.netbios_name,
 297                                                                             realm));
 298
 299                 if (!dns_host_name) {
 300                         r->out.error_string = NULL;
 301                         talloc_free(tmp_ctx);
 302                         return NT_STATUS_NO_MEMORY;
 303                 }
 304
 305                 service_principal_name[0] = talloc_asprintf(tmp_ctx, "host/%s", dns_host_name);
 306                 service_principal_name[1] = talloc_asprintf(tmp_ctx, "host/%s", strlower_talloc(tmp_ctx, r->in.netbios_name));
 307                 service_principal_name[2] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, realm);
 308                 service_principal_name[3] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), realm);
 309                 service_principal_name[4] = talloc_asprintf(tmp_ctx, "host/%s/%s", dns_host_name, r->out.domain_name);
 310                 service_principal_name[5] = talloc_asprintf(tmp_ctx, "host/%s/%s", strlower_talloc(tmp_ctx, r->in.netbios_name), r->out.domain_name);
 311
 312                 for (i=0; i < ARRAY_SIZE(service_principal_name); i++) {
 313                         if (!service_principal_name[i]) {
 314                                 r->out.error_string = NULL;
 315                                 talloc_free(tmp_ctx);
 316                                 return NT_STATUS_NO_MEMORY;
 317                         }
 318                         rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "servicePrincipalName", service_principal_name[i]);
 319                         if (rtn == -1) {
 320                                 r->out.error_string = NULL;
 321                                 talloc_free(tmp_ctx);
 322                                 return NT_STATUS_NO_MEMORY;
 323                         }
 324                 }
 325
 326                 rtn = samdb_msg_add_string(remote_ldb, tmp_ctx, msg, "dNSHostName", dns_host_name);
 327                 if (rtn == -1) {
 328                         r->out.error_string = NULL;
 329                         talloc_free(tmp_ctx);
 330                         return NT_STATUS_NO_MEMORY;
 331                 }
 332
 333                 rtn = samdb_replace(remote_ldb, tmp_ctx, msg);
 334                 if (rtn != 0) {
 335                         r->out.error_string
 336                                 = talloc_asprintf(r,
 337                                                   "Failed to replace entries on %s",
 338                                                   ldb_dn_get_linearized(msg->dn));
 339                         talloc_free(tmp_ctx);
 340                         return NT_STATUS_INTERNAL_DB_CORRUPTION;
 341                 }
 342         }
 343
 344         /* DsCrackNames to find out the DN of the domain. */
 345         r_crack_names.in.req->req1.format_offered = DRSUAPI_DS_NAME_FORMAT_NT4_ACCOUNT;
 346         r_crack_names.in.req->req1.format_desired = DRSUAPI_DS_NAME_FORMAT_FQDN_1779;
 347         names[0].str = talloc_asprintf(tmp_ctx, "%s\\", r->out.domain_name);
 348         if (!names[0].str) {
 349                 r->out.error_string = NULL;
 350                 talloc_free(tmp_ctx);
 351                 return NT_STATUS_NO_MEMORY;
 352         }
 353
 354         status = dcerpc_drsuapi_DsCrackNames(drsuapi_pipe, tmp_ctx, &r_crack_names);
 355         if (!NT_STATUS_IS_OK(status)) {
 356                 if (NT_STATUS_EQUAL(status, NT_STATUS_NET_WRITE_FAULT)) {
 357                         r->out.error_string
 358                                 = talloc_asprintf(r,
 359                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 360                                                   r->in.domain_name,
 361                                                   dcerpc_errstr(tmp_ctx, drsuapi_pipe->last_fault_code));
 362                         talloc_free(tmp_ctx);
 363                         return status;
 364                 } else {
 365                         r->out.error_string
 366                                 = talloc_asprintf(r,
 367                                                   "dcerpc_drsuapi_DsCrackNames for [%s] failed - %s",
 368                                                   r->in.domain_name,
 369                                                   nt_errstr(status));
 370                         talloc_free(tmp_ctx);
 371                         return status;
 372                 }
 373         } else if (!W_ERROR_IS_OK(r_crack_names.out.result)) {
 374                 r->out.error_string
 375                         = talloc_asprintf(r,
 376                                           "DsCrackNames failed - %s", win_errstr(r_crack_names.out.result));
 377                 talloc_free(tmp_ctx);
 378                 return NT_STATUS_UNSUCCESSFUL;
 379         } else if (*r_crack_names.out.level_out != 1
 380                    || !r_crack_names.out.ctr->ctr1
 381                    || r_crack_names.out.ctr->ctr1->count != 1
 382                    || !r_crack_names.out.ctr->ctr1->array[0].result_name
 383                    || r_crack_names.out.ctr->ctr1->array[0].status != DRSUAPI_DS_NAME_STATUS_OK) {
 384                 r->out.error_string = talloc_asprintf(r, "DsCrackNames failed");
 385                 talloc_free(tmp_ctx);
 386                 return NT_STATUS_UNSUCCESSFUL;
 387         }
 388
 389         /* Store the account DN. */
 390         r->out.account_dn_str = account_dn_str;
 391         talloc_steal(r, account_dn_str);
 392
 393         /* Store the domain DN. */
 394         r->out.domain_dn_str = r_crack_names.out.ctr->ctr1->array[0].result_name;
 395         talloc_steal(r, r_crack_names.out.ctr->ctr1->array[0].result_name);
 396
 397         /* Store the KVNO of the account, critical for some kerberos
 398          * operations */
 399         r->out.kvno = ldb_msg_find_attr_as_uint(res->msgs[0], "msDS-KeyVersionNumber", 0);
 400
 401         /* Store the account GUID. */
 402         r->out.account_guid = samdb_result_guid(res->msgs[0], "objectGUID");
 403
 404         if (r->in.acct_type == ACB_SVRTRUST) {
 405                 status = libnet_JoinSite(ctx, remote_ldb, r);
 406         }
 407         talloc_free(tmp_ctx);
 408
 409         return status;
 410 }
 411
 412 /*
 413  * do a domain join using DCERPC/SAMR calls
 414  * - connect to the LSA pipe, to try and find out information about the domain
 415  * - create a secondary connection to SAMR pipe
 416  * - do a samr_Connect to get a policy handle
 417  * - do a samr_LookupDomain to get the domain sid
 418  * - do a samr_OpenDomain to get a domain handle
 419  * - do a samr_CreateAccount to try and get a new account
 420  *
 421  * If that fails, do:
 422  * - do a samr_LookupNames to get the users rid
 423  * - do a samr_OpenUser to get a user handle
 424  * - potentially delete and recreate the user
 425  * - assert the account is of the right type with samrQueryUserInfo
 426  *
 427  * - call libnet_SetPassword_samr_handle to set the password,
 428  *   and pass a samr_UserInfo21 struct to set full_name and the account flags
 429  *
 430  * - do some ADS specific things when we join as Domain Controller,
 431  *    look at libnet_joinADSDomain() for the details
 432  */
 433 NTSTATUS libnet_JoinDomain(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_JoinDomain *r)
 434 {
 435         TALLOC_CTX *tmp_ctx;
 436
 437         NTSTATUS status, cu_status;
 438
 439         struct libnet_RpcConnect *connect_with_info;
 440         struct dcerpc_pipe *samr_pipe;
 441
 442         struct samr_Connect sc;
 443         struct policy_handle p_handle;
 444         struct samr_OpenDomain od;
 445         struct policy_handle d_handle;
 446         struct samr_LookupNames ln;
 447         struct samr_OpenUser ou;
 448         struct samr_CreateUser2 cu;
 449         struct policy_handle *u_handle = NULL;
 450         struct samr_QueryUserInfo qui;
 451         struct samr_UserInfo21 u_info21;
 452         union libnet_SetPassword r2;
 453         struct samr_GetUserPwInfo pwp;
 454         struct lsa_String samr_account_name;
 455
 456         uint32_t acct_flags, old_acct_flags;
 457         uint32_t rid, access_granted;
 458         int policy_min_pw_len = 0;
 459
 460         struct dom_sid *account_sid = NULL;
 461         const char *password_str = NULL;
 462
 463         r->out.error_string = NULL;
 464         r2.samr_handle.out.error_string = NULL;
 465
 466         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 467         if (!tmp_ctx) {
 468                 r->out.error_string = NULL;
 469                 return NT_STATUS_NO_MEMORY;
 470         }
 471
 472         u_handle = talloc(tmp_ctx, struct policy_handle);
 473         if (!u_handle) {
 474                 r->out.error_string = NULL;
 475                 talloc_free(tmp_ctx);
 476                 return NT_STATUS_NO_MEMORY;
 477         }
 478
 479         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 480         if (!connect_with_info) {
 481                 r->out.error_string = NULL;
 482                 talloc_free(tmp_ctx);
 483                 return NT_STATUS_NO_MEMORY;
 484         }
 485
 486         /* prepare connect to the SAMR pipe of PDC */
 487         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 488                 connect_with_info->in.binding = NULL;
 489                 connect_with_info->in.name    = r->in.domain_name;
 490         } else {
 491                 connect_with_info->in.binding = r->in.binding;
 492                 connect_with_info->in.name    = NULL;
 493         }
 494
 495         /* This level makes a connection to the LSA pipe on the way,
 496          * to get some useful bits of information about the domain */
 497         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 498         connect_with_info->in.dcerpc_iface    = &ndr_table_samr;
 499
 500         /*
 501           establish the SAMR connection
 502         */
 503         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 504         if (!NT_STATUS_IS_OK(status)) {
 505                 if (r->in.binding) {
 506                         r->out.error_string = talloc_asprintf(mem_ctx,
 507                                                               "Connection to SAMR pipe of DC %s failed: %s",
 508                                                               r->in.binding, connect_with_info->out.error_string);
 509                 } else {
 510                         r->out.error_string = talloc_asprintf(mem_ctx,
 511                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 512                                                               r->in.domain_name, connect_with_info->out.error_string);
 513                 }
 514                 talloc_free(tmp_ctx);
 515                 return status;
 516         }
 517
 518         samr_pipe = connect_with_info->out.dcerpc_pipe;
 519
 520         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 521                                   connect_with_info->out.dcerpc_pipe->binding,
 522                                   &ndr_table_samr, ctx->cred, ctx->lp_ctx);
 523         if (!NT_STATUS_IS_OK(status)) {
 524                 r->out.error_string = talloc_asprintf(mem_ctx,
 525                                                 "SAMR bind failed: %s",
 526                                                 nt_errstr(status));
 527                 talloc_free(tmp_ctx);
 528                 return status;
 529         }
 530
 531         /* prepare samr_Connect */
 532         ZERO_STRUCT(p_handle);
 533         sc.in.system_name = NULL;
 534         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 535         sc.out.connect_handle = &p_handle;
 536
 537         /* 2. do a samr_Connect to get a policy handle */
 538         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 539         if (!NT_STATUS_IS_OK(status)) {
 540                 r->out.error_string = talloc_asprintf(mem_ctx,
 541                                                 "samr_Connect failed: %s",
 542                                                 nt_errstr(status));
 543                 talloc_free(tmp_ctx);
 544                 return status;
 545         }
 546
 547         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 548         if (!connect_with_info->out.domain_name) {
 549                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 550                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 551                 } else {
 552                         /* Bugger, we just lost our way to automaticly find the domain name */
 553                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup(ctx->lp_ctx));
 554                         connect_with_info->out.realm = talloc_strdup(tmp_ctx, lp_realm(ctx->lp_ctx));
 555                 }
 556         }
 557
 558         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 559         if (!connect_with_info->out.domain_sid) {
 560                 struct lsa_String name;
 561                 struct samr_LookupDomain l;
 562                 name.string = connect_with_info->out.domain_name;
 563                 l.in.connect_handle = &p_handle;
 564                 l.in.domain_name = &name;
 565
 566                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 567                 if (!NT_STATUS_IS_OK(status)) {
 568                         r->out.error_string = talloc_asprintf(mem_ctx,
 569                                                               "SAMR LookupDomain failed: %s",
 570                                                               nt_errstr(status));
 571                         talloc_free(tmp_ctx);
 572                         return status;
 573                 }
 574                 connect_with_info->out.domain_sid = l.out.sid;
 575         }
 576
 577         /* prepare samr_OpenDomain */
 578         ZERO_STRUCT(d_handle);
 579         od.in.connect_handle = &p_handle;
 580         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 581         od.in.sid = connect_with_info->out.domain_sid;
 582         od.out.domain_handle = &d_handle;
 583
 584         /* do a samr_OpenDomain to get a domain handle */
 585         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 586         if (!NT_STATUS_IS_OK(status)) {
 587                 r->out.error_string = talloc_asprintf(mem_ctx,
 588                                                       "samr_OpenDomain for [%s] failed: %s",
 589                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 590                                                       nt_errstr(status));
 591                 talloc_free(tmp_ctx);
 592                 return status;
 593         }
 594
 595         /* prepare samr_CreateUser2 */
 596         ZERO_STRUCTP(u_handle);
 597         cu.in.domain_handle  = &d_handle;
 598         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 599         samr_account_name.string = r->in.account_name;
 600         cu.in.account_name    = &samr_account_name;
 601         cu.in.acct_flags      = r->in.acct_type;
 602         cu.out.user_handle    = u_handle;
 603         cu.out.rid            = &rid;
 604         cu.out.access_granted = &access_granted;
 605
 606         /* do a samr_CreateUser2 to get an account handle, or an error */
 607         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 608         status = cu_status;
 609         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 610                 /* prepare samr_LookupNames */
 611                 ln.in.domain_handle = &d_handle;
 612                 ln.in.num_names = 1;
 613                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 614                 if (!ln.in.names) {
 615                         r->out.error_string = NULL;
 616                         talloc_free(tmp_ctx);
 617                         return NT_STATUS_NO_MEMORY;
 618                 }
 619                 ln.in.names[0].string = r->in.account_name;
 620
 621                 /* 5. do a samr_LookupNames to get the users rid */
 622                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 623                 if (!NT_STATUS_IS_OK(status)) {
 624                         r->out.error_string = talloc_asprintf(mem_ctx,
 625                                                 "samr_LookupNames for [%s] failed: %s",
 626                                                 r->in.account_name,
 627                                                 nt_errstr(status));
 628                         talloc_free(tmp_ctx);
 629                         return status;
 630                 }
 631
 632                 /* check if we got one RID for the user */
 633                 if (ln.out.rids.count != 1) {
 634                         r->out.error_string = talloc_asprintf(mem_ctx,
 635                                                               "samr_LookupNames for [%s] returns %d RIDs",
 636                                                               r->in.account_name, ln.out.rids.count);
 637                         talloc_free(tmp_ctx);
 638                         return NT_STATUS_INVALID_PARAMETER;
 639                 }
 640
 641                 /* prepare samr_OpenUser */
 642                 ZERO_STRUCTP(u_handle);
 643                 ou.in.domain_handle = &d_handle;
 644                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 645                 ou.in.rid = ln.out.rids.ids[0];
 646                 rid = ou.in.rid;
 647                 ou.out.user_handle = u_handle;
 648
 649                 /* 6. do a samr_OpenUser to get a user handle */
 650                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 651                 if (!NT_STATUS_IS_OK(status)) {
 652                         r->out.error_string = talloc_asprintf(mem_ctx,
 653                                                         "samr_OpenUser for [%s] failed: %s",
 654                                                         r->in.account_name,
 655                                                         nt_errstr(status));
 656                         talloc_free(tmp_ctx);
 657                         return status;
 658                 }
 659
 660                 if (r->in.recreate_account) {
 661                         struct samr_DeleteUser d;
 662                         d.in.user_handle = u_handle;
 663                         d.out.user_handle = u_handle;
 664                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 665                         if (!NT_STATUS_IS_OK(status)) {
 666                                 r->out.error_string = talloc_asprintf(mem_ctx,
 667                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 668                                                                       r->in.account_name,
 669                                                                       nt_errstr(status));
 670                                 talloc_free(tmp_ctx);
 671                                 return status;
 672                         }
 673
 674                         /* We want to recreate, so delete and another samr_CreateUser2 */
 675
 676                         /* &cu filled in above */
 677                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 678                         if (!NT_STATUS_IS_OK(status)) {
 679                                 r->out.error_string = talloc_asprintf(mem_ctx,
 680                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 681                                                                       r->in.account_name, nt_errstr(status));
 682                                 talloc_free(tmp_ctx);
 683                                 return status;
 684                         }
 685                 }
 686         } else if (!NT_STATUS_IS_OK(status)) {
 687                 r->out.error_string = talloc_asprintf(mem_ctx,
 688                                                       "samr_CreateUser2 for [%s] failed: %s",
 689                                                       r->in.account_name, nt_errstr(status));
 690                 talloc_free(tmp_ctx);
 691                 return status;
 692         }
 693
 694         /* prepare samr_QueryUserInfo (get flags) */
 695         qui.in.user_handle = u_handle;
 696         qui.in.level = 16;
 697
 698         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 699         if (!NT_STATUS_IS_OK(status)) {
 700                 r->out.error_string = talloc_asprintf(mem_ctx,
 701                                                 "samr_QueryUserInfo for [%s] failed: %s",
 702                                                 r->in.account_name,
 703                                                 nt_errstr(status));
 704                 talloc_free(tmp_ctx);
 705                 return status;
 706         }
 707
 708         if (!qui.out.info) {
 709                 status = NT_STATUS_INVALID_PARAMETER;
 710                 r->out.error_string
 711                         = talloc_asprintf(mem_ctx,
 712                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 713                                           r->in.account_name, nt_errstr(status));
 714                 talloc_free(tmp_ctx);
 715                 return status;
 716         }
 717
 718         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 719         /* Possibly bail if the account is of the wrong type */
 720         if (old_acct_flags
 721             != r->in.acct_type) {
 722                 const char *old_account_type, *new_account_type;
 723                 switch (old_acct_flags) {
 724                 case ACB_WSTRUST:
 725                         old_account_type = "domain member (member)";
 726                         break;
 727                 case ACB_SVRTRUST:
 728                         old_account_type = "domain controller (bdc)";
 729                         break;
 730                 case ACB_DOMTRUST:
 731                         old_account_type = "trusted domain";
 732                         break;
 733                 default:
 734                         return NT_STATUS_INVALID_PARAMETER;
 735                 }
 736                 switch (r->in.acct_type) {
 737                 case ACB_WSTRUST:
 738                         new_account_type = "domain member (member)";
 739                         break;
 740                 case ACB_SVRTRUST:
 741                         new_account_type = "domain controller (bdc)";
 742                         break;
 743                 case ACB_DOMTRUST:
 744                         new_account_type = "trusted domain";
 745                         break;
 746                 default:
 747                         return NT_STATUS_INVALID_PARAMETER;
 748                 }
 749
 750                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 751                         /* We created a new user, but they didn't come out the right type?!? */
 752                         r->out.error_string
 753                                 = talloc_asprintf(mem_ctx,
 754                                                   "We asked to create a new machine account (%s) of type %s, "
 755                                                   "but we got an account of type %s.  This is unexpected.  "
 756                                                   "Perhaps delete the account and try again.",
 757                                                   r->in.account_name, new_account_type, old_account_type);
 758                         talloc_free(tmp_ctx);
 759                         return NT_STATUS_INVALID_PARAMETER;
 760                 } else {
 761                         /* The account is of the wrong type, so bail */
 762
 763                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 764                         r->out.error_string
 765                                 = talloc_asprintf(mem_ctx,
 766                                                   "The machine account (%s) already exists in the domain %s, "
 767                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 768                                                   "the account and try again.",
 769                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 770                         talloc_free(tmp_ctx);
 771                         return NT_STATUS_USER_EXISTS;
 772                 }
 773         } else {
 774                 acct_flags = qui.out.info->info16.acct_flags;
 775         }
 776
 777         acct_flags = (acct_flags & ~(ACB_DISABLED|ACB_PWNOTREQ));
 778
 779         /* Find out what password policy this user has */
 780         pwp.in.user_handle = u_handle;
 781
 782         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 783         if (NT_STATUS_IS_OK(status)) {
 784                 policy_min_pw_len = pwp.out.info.min_password_length;
 785         }
 786
 787         /* Grab a password of that minimum length */
 788
 789         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 790
 791         /* set full_name and reset flags */
 792         ZERO_STRUCT(u_info21);
 793         u_info21.full_name.string       = r->in.account_name;
 794         u_info21.acct_flags             = acct_flags;
 795         u_info21.fields_present         = SAMR_FIELD_FULL_NAME | SAMR_FIELD_ACCT_FLAGS;
 796
 797         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 798         r2.samr_handle.in.account_name  = r->in.account_name;
 799         r2.samr_handle.in.newpassword   = password_str;
 800         r2.samr_handle.in.user_handle   = u_handle;
 801         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 802         r2.samr_handle.in.info21        = &u_info21;
 803
 804         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 805         if (!NT_STATUS_IS_OK(status)) {
 806                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 807                 talloc_free(tmp_ctx);
 808                 return status;
 809         }
 810
 811         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 812         if (!account_sid) {
 813                 r->out.error_string = NULL;
 814                 talloc_free(tmp_ctx);
 815                 return NT_STATUS_NO_MEMORY;
 816         }
 817
 818         /* Finish out by pushing various bits of status data out for the caller to use */
 819         r->out.join_password = password_str;
 820         talloc_steal(mem_ctx, r->out.join_password);
 821
 822         r->out.domain_sid = connect_with_info->out.domain_sid;
 823         talloc_steal(mem_ctx, r->out.domain_sid);
 824
 825         r->out.account_sid = account_sid;
 826         talloc_steal(mem_ctx, r->out.account_sid);
 827
 828         r->out.domain_name = connect_with_info->out.domain_name;
 829         talloc_steal(mem_ctx, r->out.domain_name);
 830         r->out.realm = connect_with_info->out.realm;
 831         talloc_steal(mem_ctx, r->out.realm);
 832         r->out.samr_pipe = samr_pipe;
 833         talloc_steal(mem_ctx, samr_pipe);
 834         r->out.samr_binding = samr_pipe->binding;
 835         talloc_steal(mem_ctx, r->out.samr_binding);
 836         r->out.user_handle = u_handle;
 837         talloc_steal(mem_ctx, u_handle);
 838         r->out.error_string = r2.samr_handle.out.error_string;
 839         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 840         r->out.kvno = 0;
 841         r->out.server_dn_str = NULL;
 842         talloc_free(tmp_ctx);
 843
 844         /* Now, if it was AD, then we want to start looking changing a
 845          * few more things.  Otherwise, we are done. */
 846         if (r->out.realm) {
 847                 status = libnet_JoinADSDomain(ctx, r);
 848                 return status;
 849         }
 850
 851         return status;
 852 }
 853
 854 NTSTATUS libnet_set_join_secrets(struct libnet_context *ctx,
 855                                  TALLOC_CTX *mem_ctx,
 856                                  struct libnet_set_join_secrets *r)
 857 {
 858         TALLOC_CTX *tmp_mem;
 859         int ret, rtn;
 860         struct ldb_context *ldb;
 861         struct ldb_dn *base_dn;
 862         struct ldb_message **msgs, *msg;
 863         const char *sct;
 864         const char * const attrs[] = {
 865                 "whenChanged",
 866                 "secret",
 867                 "priorSecret",
 868                 "priorChanged",
 869                 "krb5Keytab",
 870                 "privateKeytab",
 871                 NULL
 872         };
 873
 874         tmp_mem = talloc_new(mem_ctx);
 875         if (!tmp_mem) {
 876                 return NT_STATUS_NO_MEMORY;
 877         }
 878
 879         /* Open the secrets database */
 880         ldb = secrets_db_connect(tmp_mem, ctx->event_ctx, ctx->lp_ctx);
 881         if (!ldb) {
 882                 r->out.error_string
 883                         = talloc_asprintf(mem_ctx,
 884                                           "Could not open secrets database");
 885                 talloc_free(tmp_mem);
 886                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 887         }
 888
 889         /*
 890          * now prepare the record for secrets.ldb
 891          */
 892         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 893         if (!sct) {
 894                 r->out.error_string = NULL;
 895                 talloc_free(tmp_mem);
 896                 return NT_STATUS_NO_MEMORY;
 897         }
 898
 899         msg = ldb_msg_new(tmp_mem);
 900         if (!msg) {
 901                 r->out.error_string = NULL;
 902                 talloc_free(tmp_mem);
 903                 return NT_STATUS_NO_MEMORY;
 904         }
 905
 906         base_dn = ldb_dn_new(tmp_mem, ldb, "cn=Primary Domains");
 907         if (!base_dn) {
 908                 r->out.error_string = NULL;
 909                 talloc_free(tmp_mem);
 910                 return NT_STATUS_NO_MEMORY;
 911         }
 912
 913         msg->dn = ldb_dn_copy(tmp_mem, base_dn);
 914         if ( ! ldb_dn_add_child_fmt(msg->dn, "flatname=%s", r->in.domain_name)) {
 915                 r->out.error_string = NULL;
 916                 talloc_free(tmp_mem);
 917                 return NT_STATUS_NO_MEMORY;
 918         }
 919
 920         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r->in.domain_name);
 921         if (rtn == -1) {
 922                 r->out.error_string = NULL;
 923                 talloc_free(tmp_mem);
 924                 return NT_STATUS_NO_MEMORY;
 925         }
 926
 927         if (r->in.realm) {
 928                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r->in.realm);
 929                 if (rtn == -1) {
 930                         r->out.error_string = NULL;
 931                         talloc_free(tmp_mem);
 932                         return NT_STATUS_NO_MEMORY;
 933                 }
 934
 935                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 936                 if (rtn == -1) {
 937                         r->out.error_string = NULL;
 938                         talloc_free(tmp_mem);
 939                         return NT_STATUS_NO_MEMORY;
 940                 }
 941         }
 942
 943         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 944         if (rtn == -1) {
 945                 r->out.error_string = NULL;
 946                 talloc_free(tmp_mem);
 947                 return NT_STATUS_NO_MEMORY;
 948         }
 949
 950         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r->in.join_password);
 951         if (rtn == -1) {
 952                 r->out.error_string = NULL;
 953                 talloc_free(tmp_mem);
 954                 return NT_STATUS_NO_MEMORY;
 955         }
 956
 957         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r->in.account_name);
 958         if (rtn == -1) {
 959                 r->out.error_string = NULL;
 960                 talloc_free(tmp_mem);
 961                 return NT_STATUS_NO_MEMORY;
 962         }
 963
 964         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secureChannelType", sct);
 965         if (rtn == -1) {
 966                 r->out.error_string = NULL;
 967                 talloc_free(tmp_mem);
 968                 return NT_STATUS_NO_MEMORY;
 969         }
 970
 971         if (r->in.kvno) {
 972                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
 973                                          r->in.kvno);
 974                 if (rtn == -1) {
 975                         r->out.error_string = NULL;
 976                         talloc_free(tmp_mem);
 977                         return NT_STATUS_NO_MEMORY;
 978                 }
 979         }
 980
 981         if (r->in.domain_sid) {
 982                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
 983                                             r->in.domain_sid);
 984                 if (rtn == -1) {
 985                         r->out.error_string = NULL;
 986                         talloc_free(tmp_mem);
 987                         return NT_STATUS_NO_MEMORY;
 988                 }
 989         }
 990
 991         /*
 992          * search for the secret record
 993          * - remove the records we find
 994          * - and fetch the old secret and store it under priorSecret
 995          */
 996         ret = gendb_search(ldb,
 997                            tmp_mem, base_dn,
 998                            &msgs, attrs,
 999                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1000                            r->in.domain_name, r->in.realm);
1001         if (ret == 0) {
1002                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1003                 if (rtn == -1) {
1004                         r->out.error_string = NULL;
1005                         talloc_free(tmp_mem);
1006                         return NT_STATUS_NO_MEMORY;
1007                 }
1008         } else if (ret == -1) {
1009                 r->out.error_string
1010                         = talloc_asprintf(mem_ctx,
1011                                           "Search for domain: %s and realm: %s failed: %s",
1012                                           r->in.domain_name, r->in.realm, ldb_errstring(ldb));
1013                 talloc_free(tmp_mem);
1014                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1015         } else {
1016                 const struct ldb_val *private_keytab;
1017                 const struct ldb_val *krb5_main_keytab;
1018                 const struct ldb_val *prior_secret;
1019                 const struct ldb_val *prior_modified_time;
1020                 int i;
1021
1022                 for (i = 0; i < ret; i++) {
1023                         ldb_delete(ldb, msgs[i]->dn);
1024                 }
1025
1026                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1027                 if (prior_secret) {
1028                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1029                         if (rtn == -1) {
1030                                 r->out.error_string = NULL;
1031                                 talloc_free(tmp_mem);
1032                                 return NT_STATUS_NO_MEMORY;
1033                         }
1034                 }
1035                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r->in.join_password);
1036                 if (rtn == -1) {
1037                         r->out.error_string = NULL;
1038                         talloc_free(tmp_mem);
1039                         return NT_STATUS_NO_MEMORY;
1040                 }
1041
1042                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1043                                                            "whenChanged");
1044                 if (prior_modified_time) {
1045                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1046                                                   prior_modified_time);
1047                         if (rtn == -1) {
1048                                 r->out.error_string = NULL;
1049                                 talloc_free(tmp_mem);
1050                                 return NT_STATUS_NO_MEMORY;
1051                         }
1052                 }
1053
1054                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r->in.account_name);
1055                 if (rtn == -1) {
1056                         r->out.error_string = NULL;
1057                         talloc_free(tmp_mem);
1058                         return NT_STATUS_NO_MEMORY;
1059                 }
1060
1061                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1062                 if (rtn == -1) {
1063                         r->out.error_string = NULL;
1064                         talloc_free(tmp_mem);
1065                         return NT_STATUS_NO_MEMORY;
1066                 }
1067
1068                 /* We will want to keep the keytab names */
1069                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1070                 if (private_keytab) {
1071                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1072                         if (rtn == -1) {
1073                                 r->out.error_string = NULL;
1074                                 talloc_free(tmp_mem);
1075                                 return NT_STATUS_NO_MEMORY;
1076                         }
1077                 }
1078                 krb5_main_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1079                 if (krb5_main_keytab) {
1080                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg,
1081                                         "krb5Keytab", krb5_main_keytab);
1082                         if (rtn == -1) {
1083                                 r->out.error_string = NULL;
1084                                 talloc_free(tmp_mem);
1085                                 return NT_STATUS_NO_MEMORY;
1086                         }
1087                 }
1088         }
1089
1090         /* create the secret */
1091         ret = ldb_add(ldb, msg);
1092         if (ret != 0) {
1093                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1094                                                       ldb_dn_get_linearized(msg->dn));
1095                 talloc_free(tmp_mem);
1096                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1097         }
1098
1099         return NT_STATUS_OK;
1100 }
1101
1102 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
1103                                            TALLOC_CTX *mem_ctx,
1104                                            struct libnet_Join *r)
1105 {
1106         NTSTATUS status;
1107         TALLOC_CTX *tmp_mem;
1108         struct libnet_JoinDomain *r2;
1109         struct libnet_set_join_secrets *r3;
1110         uint32_t acct_type = 0;
1111         const char *account_name;
1112         const char *netbios_name;
1113
1114         r->out.error_string = NULL;
1115
1116         tmp_mem = talloc_new(mem_ctx);
1117         if (!tmp_mem) {
1118                 return NT_STATUS_NO_MEMORY;
1119         }
1120
1121         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
1122         if (!r2) {
1123                 r->out.error_string = NULL;
1124                 talloc_free(tmp_mem);
1125                 return NT_STATUS_NO_MEMORY;
1126         }
1127
1128         if (r->in.join_type == SEC_CHAN_BDC) {
1129                 acct_type = ACB_SVRTRUST;
1130         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
1131                 acct_type = ACB_WSTRUST;
1132         } else {
1133                 r->out.error_string = NULL;
1134                 talloc_free(tmp_mem);
1135                 return NT_STATUS_INVALID_PARAMETER;
1136         }
1137
1138         if (r->in.netbios_name != NULL) {
1139                 netbios_name = r->in.netbios_name;
1140         } else {
1141                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name(ctx->lp_ctx));
1142                 if (!netbios_name) {
1143                         r->out.error_string = NULL;
1144                         talloc_free(tmp_mem);
1145                         return NT_STATUS_NO_MEMORY;
1146                 }
1147         }
1148
1149         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
1150         if (!account_name) {
1151                 r->out.error_string = NULL;
1152                 talloc_free(tmp_mem);
1153                 return NT_STATUS_NO_MEMORY;
1154         }
1155
1156         /*
1157          * join the domain
1158          */
1159         ZERO_STRUCTP(r2);
1160         r2->in.domain_name      = r->in.domain_name;
1161         r2->in.account_name     = account_name;
1162         r2->in.netbios_name     = netbios_name;
1163         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
1164         r2->in.acct_type        = acct_type;
1165         r2->in.recreate_account = false;
1166         status = libnet_JoinDomain(ctx, r2, r2);
1167         if (!NT_STATUS_IS_OK(status)) {
1168                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
1169                 talloc_free(tmp_mem);
1170                 return status;
1171         }
1172
1173         r3 = talloc(tmp_mem, struct libnet_set_join_secrets);
1174         if (!r3) {
1175                 r->out.error_string = NULL;
1176                 talloc_free(tmp_mem);
1177                 return NT_STATUS_NO_MEMORY;
1178         }
1179
1180         ZERO_STRUCTP(r3);
1181         r3->in.domain_name = r2->out.domain_name;
1182         r3->in.realm = r2->out.realm;
1183         r3->in.account_name = account_name;
1184         r3->in.netbios_name = netbios_name;
1185         r3->in.join_type = r->in.join_type;
1186         r3->in.join_password = r2->out.join_password;
1187         r3->in.kvno = r2->out.kvno;
1188         r3->in.domain_sid = r2->out.domain_sid;
1189
1190         status = libnet_set_join_secrets(ctx, r3, r3);
1191         if (!NT_STATUS_IS_OK(status)) {
1192                 r->out.error_string = talloc_steal(mem_ctx, r3->out.error_string);
1193                 talloc_free(tmp_mem);
1194                 return status;
1195         }
1196
1197         /* move all out parameter to the callers TALLOC_CTX */
1198         r->out.error_string     = NULL;
1199         r->out.join_password    = r2->out.join_password;
1200         talloc_steal(mem_ctx, r2->out.join_password);
1201         r->out.domain_sid       = r2->out.domain_sid;
1202         talloc_steal(mem_ctx, r2->out.domain_sid);
1203         r->out.domain_name      = r2->out.domain_name;
1204         talloc_steal(mem_ctx, r2->out.domain_name);
1205         talloc_free(tmp_mem);
1206         return NT_STATUS_OK;
1207 }
1208
1209 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1210 {
1211         switch (r->in.join_type) {
1212                 case SEC_CHAN_WKSTA:
1213                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1214                 case SEC_CHAN_BDC:
1215                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1216                 case SEC_CHAN_DOMAIN:
1217                         break;
1218         }
1219
1220         r->out.error_string = talloc_asprintf(mem_ctx,
1221                                               "Invalid join type specified (%08X) attempting to join domain %s",
1222                                               r->in.join_type, r->in.domain_name);
1223         return NT_STATUS_INVALID_PARAMETER;
1224 }