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_Ids rids, types;
 448         struct samr_OpenUser ou;
 449         struct samr_CreateUser2 cu;
 450         struct policy_handle *u_handle = NULL;
 451         struct samr_QueryUserInfo qui;
 452         struct samr_UserInfo21 u_info21;
 453         union libnet_SetPassword r2;
 454         struct samr_GetUserPwInfo pwp;
 455         struct samr_PwInfo info;
 456         struct lsa_String samr_account_name;
 457
 458         uint32_t acct_flags, old_acct_flags;
 459         uint32_t rid, access_granted;
 460         int policy_min_pw_len = 0;
 461
 462         struct dom_sid *account_sid = NULL;
 463         const char *password_str = NULL;
 464
 465         r->out.error_string = NULL;
 466         r2.samr_handle.out.error_string = NULL;
 467
 468         tmp_ctx = talloc_named(mem_ctx, 0, "libnet_Join temp context");
 469         if (!tmp_ctx) {
 470                 r->out.error_string = NULL;
 471                 return NT_STATUS_NO_MEMORY;
 472         }
 473
 474         u_handle = talloc(tmp_ctx, struct policy_handle);
 475         if (!u_handle) {
 476                 r->out.error_string = NULL;
 477                 talloc_free(tmp_ctx);
 478                 return NT_STATUS_NO_MEMORY;
 479         }
 480
 481         connect_with_info = talloc(tmp_ctx, struct libnet_RpcConnect);
 482         if (!connect_with_info) {
 483                 r->out.error_string = NULL;
 484                 talloc_free(tmp_ctx);
 485                 return NT_STATUS_NO_MEMORY;
 486         }
 487
 488         /* prepare connect to the SAMR pipe of PDC */
 489         if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 490                 connect_with_info->in.binding = NULL;
 491                 connect_with_info->in.name    = r->in.domain_name;
 492         } else {
 493                 connect_with_info->in.binding = r->in.binding;
 494                 connect_with_info->in.name    = NULL;
 495         }
 496
 497         /* This level makes a connection to the LSA pipe on the way,
 498          * to get some useful bits of information about the domain */
 499         connect_with_info->level              = LIBNET_RPC_CONNECT_DC_INFO;
 500         connect_with_info->in.dcerpc_iface    = &ndr_table_samr;
 501
 502         /*
 503           establish the SAMR connection
 504         */
 505         status = libnet_RpcConnect(ctx, tmp_ctx, connect_with_info);
 506         if (!NT_STATUS_IS_OK(status)) {
 507                 if (r->in.binding) {
 508                         r->out.error_string = talloc_asprintf(mem_ctx,
 509                                                               "Connection to SAMR pipe of DC %s failed: %s",
 510                                                               r->in.binding, connect_with_info->out.error_string);
 511                 } else {
 512                         r->out.error_string = talloc_asprintf(mem_ctx,
 513                                                               "Connection to SAMR pipe of PDC for %s failed: %s",
 514                                                               r->in.domain_name, connect_with_info->out.error_string);
 515                 }
 516                 talloc_free(tmp_ctx);
 517                 return status;
 518         }
 519
 520         samr_pipe = connect_with_info->out.dcerpc_pipe;
 521
 522         status = dcerpc_pipe_auth(tmp_ctx, &samr_pipe,
 523                                   connect_with_info->out.dcerpc_pipe->binding,
 524                                   &ndr_table_samr, ctx->cred, ctx->lp_ctx);
 525         if (!NT_STATUS_IS_OK(status)) {
 526                 r->out.error_string = talloc_asprintf(mem_ctx,
 527                                                 "SAMR bind failed: %s",
 528                                                 nt_errstr(status));
 529                 talloc_free(tmp_ctx);
 530                 return status;
 531         }
 532
 533         /* prepare samr_Connect */
 534         ZERO_STRUCT(p_handle);
 535         sc.in.system_name = NULL;
 536         sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 537         sc.out.connect_handle = &p_handle;
 538
 539         /* 2. do a samr_Connect to get a policy handle */
 540         status = dcerpc_samr_Connect(samr_pipe, tmp_ctx, &sc);
 541         if (!NT_STATUS_IS_OK(status)) {
 542                 r->out.error_string = talloc_asprintf(mem_ctx,
 543                                                 "samr_Connect failed: %s",
 544                                                 nt_errstr(status));
 545                 talloc_free(tmp_ctx);
 546                 return status;
 547         }
 548
 549         /* If this is a connection on ncacn_ip_tcp to Win2k3 SP1, we don't get back this useful info */
 550         if (!connect_with_info->out.domain_name) {
 551                 if (r->in.level == LIBNET_JOINDOMAIN_AUTOMATIC) {
 552                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, r->in.domain_name);
 553                 } else {
 554                         /* Bugger, we just lost our way to automaticly find the domain name */
 555                         connect_with_info->out.domain_name = talloc_strdup(tmp_ctx, lp_workgroup(ctx->lp_ctx));
 556                         connect_with_info->out.realm = talloc_strdup(tmp_ctx, lp_realm(ctx->lp_ctx));
 557                 }
 558         }
 559
 560         /* Perhaps we didn't get a SID above, because we are against ncacn_ip_tcp */
 561         if (!connect_with_info->out.domain_sid) {
 562                 struct lsa_String name;
 563                 struct samr_LookupDomain l;
 564                 name.string = connect_with_info->out.domain_name;
 565                 l.in.connect_handle = &p_handle;
 566                 l.in.domain_name = &name;
 567
 568                 status = dcerpc_samr_LookupDomain(samr_pipe, tmp_ctx, &l);
 569                 if (!NT_STATUS_IS_OK(status)) {
 570                         r->out.error_string = talloc_asprintf(mem_ctx,
 571                                                               "SAMR LookupDomain failed: %s",
 572                                                               nt_errstr(status));
 573                         talloc_free(tmp_ctx);
 574                         return status;
 575                 }
 576                 connect_with_info->out.domain_sid = l.out.sid;
 577         }
 578
 579         /* prepare samr_OpenDomain */
 580         ZERO_STRUCT(d_handle);
 581         od.in.connect_handle = &p_handle;
 582         od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 583         od.in.sid = connect_with_info->out.domain_sid;
 584         od.out.domain_handle = &d_handle;
 585
 586         /* do a samr_OpenDomain to get a domain handle */
 587         status = dcerpc_samr_OpenDomain(samr_pipe, tmp_ctx, &od);
 588         if (!NT_STATUS_IS_OK(status)) {
 589                 r->out.error_string = talloc_asprintf(mem_ctx,
 590                                                       "samr_OpenDomain for [%s] failed: %s",
 591                                                       dom_sid_string(tmp_ctx, connect_with_info->out.domain_sid),
 592                                                       nt_errstr(status));
 593                 talloc_free(tmp_ctx);
 594                 return status;
 595         }
 596
 597         /* prepare samr_CreateUser2 */
 598         ZERO_STRUCTP(u_handle);
 599         cu.in.domain_handle  = &d_handle;
 600         cu.in.access_mask     = SEC_FLAG_MAXIMUM_ALLOWED;
 601         samr_account_name.string = r->in.account_name;
 602         cu.in.account_name    = &samr_account_name;
 603         cu.in.acct_flags      = r->in.acct_type;
 604         cu.out.user_handle    = u_handle;
 605         cu.out.rid            = &rid;
 606         cu.out.access_granted = &access_granted;
 607
 608         /* do a samr_CreateUser2 to get an account handle, or an error */
 609         cu_status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 610         status = cu_status;
 611         if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 612                 /* prepare samr_LookupNames */
 613                 ln.in.domain_handle = &d_handle;
 614                 ln.in.num_names = 1;
 615                 ln.in.names = talloc_array(tmp_ctx, struct lsa_String, 1);
 616                 ln.out.rids = &rids;
 617                 ln.out.types = &types;
 618                 if (!ln.in.names) {
 619                         r->out.error_string = NULL;
 620                         talloc_free(tmp_ctx);
 621                         return NT_STATUS_NO_MEMORY;
 622                 }
 623                 ln.in.names[0].string = r->in.account_name;
 624
 625                 /* 5. do a samr_LookupNames to get the users rid */
 626                 status = dcerpc_samr_LookupNames(samr_pipe, tmp_ctx, &ln);
 627                 if (!NT_STATUS_IS_OK(status)) {
 628                         r->out.error_string = talloc_asprintf(mem_ctx,
 629                                                 "samr_LookupNames for [%s] failed: %s",
 630                                                 r->in.account_name,
 631                                                 nt_errstr(status));
 632                         talloc_free(tmp_ctx);
 633                         return status;
 634                 }
 635
 636                 /* check if we got one RID for the user */
 637                 if (ln.out.rids->count != 1) {
 638                         r->out.error_string = talloc_asprintf(mem_ctx,
 639                                                               "samr_LookupNames for [%s] returns %d RIDs",
 640                                                               r->in.account_name, ln.out.rids->count);
 641                         talloc_free(tmp_ctx);
 642                         return NT_STATUS_INVALID_PARAMETER;
 643                 }
 644
 645                 /* prepare samr_OpenUser */
 646                 ZERO_STRUCTP(u_handle);
 647                 ou.in.domain_handle = &d_handle;
 648                 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
 649                 ou.in.rid = ln.out.rids->ids[0];
 650                 rid = ou.in.rid;
 651                 ou.out.user_handle = u_handle;
 652
 653                 /* 6. do a samr_OpenUser to get a user handle */
 654                 status = dcerpc_samr_OpenUser(samr_pipe, tmp_ctx, &ou);
 655                 if (!NT_STATUS_IS_OK(status)) {
 656                         r->out.error_string = talloc_asprintf(mem_ctx,
 657                                                         "samr_OpenUser for [%s] failed: %s",
 658                                                         r->in.account_name,
 659                                                         nt_errstr(status));
 660                         talloc_free(tmp_ctx);
 661                         return status;
 662                 }
 663
 664                 if (r->in.recreate_account) {
 665                         struct samr_DeleteUser d;
 666                         d.in.user_handle = u_handle;
 667                         d.out.user_handle = u_handle;
 668                         status = dcerpc_samr_DeleteUser(samr_pipe, mem_ctx, &d);
 669                         if (!NT_STATUS_IS_OK(status)) {
 670                                 r->out.error_string = talloc_asprintf(mem_ctx,
 671                                                                       "samr_DeleteUser (for recreate) of [%s] failed: %s",
 672                                                                       r->in.account_name,
 673                                                                       nt_errstr(status));
 674                                 talloc_free(tmp_ctx);
 675                                 return status;
 676                         }
 677
 678                         /* We want to recreate, so delete and another samr_CreateUser2 */
 679
 680                         /* &cu filled in above */
 681                         status = dcerpc_samr_CreateUser2(samr_pipe, tmp_ctx, &cu);
 682                         if (!NT_STATUS_IS_OK(status)) {
 683                                 r->out.error_string = talloc_asprintf(mem_ctx,
 684                                                                       "samr_CreateUser2 (recreate) for [%s] failed: %s",
 685                                                                       r->in.account_name, nt_errstr(status));
 686                                 talloc_free(tmp_ctx);
 687                                 return status;
 688                         }
 689                 }
 690         } else if (!NT_STATUS_IS_OK(status)) {
 691                 r->out.error_string = talloc_asprintf(mem_ctx,
 692                                                       "samr_CreateUser2 for [%s] failed: %s",
 693                                                       r->in.account_name, nt_errstr(status));
 694                 talloc_free(tmp_ctx);
 695                 return status;
 696         }
 697
 698         /* prepare samr_QueryUserInfo (get flags) */
 699         qui.in.user_handle = u_handle;
 700         qui.in.level = 16;
 701
 702         status = dcerpc_samr_QueryUserInfo(samr_pipe, tmp_ctx, &qui);
 703         if (!NT_STATUS_IS_OK(status)) {
 704                 r->out.error_string = talloc_asprintf(mem_ctx,
 705                                                 "samr_QueryUserInfo for [%s] failed: %s",
 706                                                 r->in.account_name,
 707                                                 nt_errstr(status));
 708                 talloc_free(tmp_ctx);
 709                 return status;
 710         }
 711
 712         if (!qui.out.info) {
 713                 status = NT_STATUS_INVALID_PARAMETER;
 714                 r->out.error_string
 715                         = talloc_asprintf(mem_ctx,
 716                                           "samr_QueryUserInfo failed to return qui.out.info for [%s]: %s",
 717                                           r->in.account_name, nt_errstr(status));
 718                 talloc_free(tmp_ctx);
 719                 return status;
 720         }
 721
 722         old_acct_flags = (qui.out.info->info16.acct_flags & (ACB_WSTRUST | ACB_SVRTRUST | ACB_DOMTRUST));
 723         /* Possibly bail if the account is of the wrong type */
 724         if (old_acct_flags
 725             != r->in.acct_type) {
 726                 const char *old_account_type, *new_account_type;
 727                 switch (old_acct_flags) {
 728                 case ACB_WSTRUST:
 729                         old_account_type = "domain member (member)";
 730                         break;
 731                 case ACB_SVRTRUST:
 732                         old_account_type = "domain controller (bdc)";
 733                         break;
 734                 case ACB_DOMTRUST:
 735                         old_account_type = "trusted domain";
 736                         break;
 737                 default:
 738                         return NT_STATUS_INVALID_PARAMETER;
 739                 }
 740                 switch (r->in.acct_type) {
 741                 case ACB_WSTRUST:
 742                         new_account_type = "domain member (member)";
 743                         break;
 744                 case ACB_SVRTRUST:
 745                         new_account_type = "domain controller (bdc)";
 746                         break;
 747                 case ACB_DOMTRUST:
 748                         new_account_type = "trusted domain";
 749                         break;
 750                 default:
 751                         return NT_STATUS_INVALID_PARAMETER;
 752                 }
 753
 754                 if (!NT_STATUS_EQUAL(cu_status, NT_STATUS_USER_EXISTS)) {
 755                         /* We created a new user, but they didn't come out the right type?!? */
 756                         r->out.error_string
 757                                 = talloc_asprintf(mem_ctx,
 758                                                   "We asked to create a new machine account (%s) of type %s, "
 759                                                   "but we got an account of type %s.  This is unexpected.  "
 760                                                   "Perhaps delete the account and try again.",
 761                                                   r->in.account_name, new_account_type, old_account_type);
 762                         talloc_free(tmp_ctx);
 763                         return NT_STATUS_INVALID_PARAMETER;
 764                 } else {
 765                         /* The account is of the wrong type, so bail */
 766
 767                         /* TODO: We should allow a --force option to override, and redo this from the top setting r.in.recreate_account */
 768                         r->out.error_string
 769                                 = talloc_asprintf(mem_ctx,
 770                                                   "The machine account (%s) already exists in the domain %s, "
 771                                                   "but is a %s.  You asked to join as a %s.  Please delete "
 772                                                   "the account and try again.",
 773                                                   r->in.account_name, connect_with_info->out.domain_name, old_account_type, new_account_type);
 774                         talloc_free(tmp_ctx);
 775                         return NT_STATUS_USER_EXISTS;
 776                 }
 777         } else {
 778                 acct_flags = qui.out.info->info16.acct_flags;
 779         }
 780
 781         acct_flags = (acct_flags & ~(ACB_DISABLED|ACB_PWNOTREQ));
 782
 783         /* Find out what password policy this user has */
 784         pwp.in.user_handle = u_handle;
 785         pwp.out.info = &info;
 786
 787         status = dcerpc_samr_GetUserPwInfo(samr_pipe, tmp_ctx, &pwp);
 788         if (NT_STATUS_IS_OK(status)) {
 789                 policy_min_pw_len = pwp.out.info->min_password_length;
 790         }
 791
 792         /* Grab a password of that minimum length */
 793
 794         password_str = generate_random_str(tmp_ctx, MAX(8, policy_min_pw_len));
 795
 796         /* set full_name and reset flags */
 797         ZERO_STRUCT(u_info21);
 798         u_info21.full_name.string       = r->in.account_name;
 799         u_info21.acct_flags             = acct_flags;
 800         u_info21.fields_present         = SAMR_FIELD_FULL_NAME | SAMR_FIELD_ACCT_FLAGS;
 801
 802         r2.samr_handle.level            = LIBNET_SET_PASSWORD_SAMR_HANDLE;
 803         r2.samr_handle.in.account_name  = r->in.account_name;
 804         r2.samr_handle.in.newpassword   = password_str;
 805         r2.samr_handle.in.user_handle   = u_handle;
 806         r2.samr_handle.in.dcerpc_pipe   = samr_pipe;
 807         r2.samr_handle.in.info21        = &u_info21;
 808
 809         status = libnet_SetPassword(ctx, tmp_ctx, &r2);
 810         if (!NT_STATUS_IS_OK(status)) {
 811                 r->out.error_string = talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 812                 talloc_free(tmp_ctx);
 813                 return status;
 814         }
 815
 816         account_sid = dom_sid_add_rid(mem_ctx, connect_with_info->out.domain_sid, rid);
 817         if (!account_sid) {
 818                 r->out.error_string = NULL;
 819                 talloc_free(tmp_ctx);
 820                 return NT_STATUS_NO_MEMORY;
 821         }
 822
 823         /* Finish out by pushing various bits of status data out for the caller to use */
 824         r->out.join_password = password_str;
 825         talloc_steal(mem_ctx, r->out.join_password);
 826
 827         r->out.domain_sid = connect_with_info->out.domain_sid;
 828         talloc_steal(mem_ctx, r->out.domain_sid);
 829
 830         r->out.account_sid = account_sid;
 831         talloc_steal(mem_ctx, r->out.account_sid);
 832
 833         r->out.domain_name = connect_with_info->out.domain_name;
 834         talloc_steal(mem_ctx, r->out.domain_name);
 835         r->out.realm = connect_with_info->out.realm;
 836         talloc_steal(mem_ctx, r->out.realm);
 837         r->out.samr_pipe = samr_pipe;
 838         talloc_steal(mem_ctx, samr_pipe);
 839         r->out.samr_binding = samr_pipe->binding;
 840         talloc_steal(mem_ctx, r->out.samr_binding);
 841         r->out.user_handle = u_handle;
 842         talloc_steal(mem_ctx, u_handle);
 843         r->out.error_string = r2.samr_handle.out.error_string;
 844         talloc_steal(mem_ctx, r2.samr_handle.out.error_string);
 845         r->out.kvno = 0;
 846         r->out.server_dn_str = NULL;
 847         talloc_free(tmp_ctx);
 848
 849         /* Now, if it was AD, then we want to start looking changing a
 850          * few more things.  Otherwise, we are done. */
 851         if (r->out.realm) {
 852                 status = libnet_JoinADSDomain(ctx, r);
 853                 return status;
 854         }
 855
 856         return status;
 857 }
 858
 859 NTSTATUS libnet_set_join_secrets(struct libnet_context *ctx,
 860                                  TALLOC_CTX *mem_ctx,
 861                                  struct libnet_set_join_secrets *r)
 862 {
 863         TALLOC_CTX *tmp_mem;
 864         int ret, rtn;
 865         struct ldb_context *ldb;
 866         struct ldb_dn *base_dn;
 867         struct ldb_message **msgs, *msg;
 868         const char *sct;
 869         const char * const attrs[] = {
 870                 "whenChanged",
 871                 "secret",
 872                 "priorSecret",
 873                 "priorChanged",
 874                 "krb5Keytab",
 875                 "privateKeytab",
 876                 NULL
 877         };
 878
 879         tmp_mem = talloc_new(mem_ctx);
 880         if (!tmp_mem) {
 881                 return NT_STATUS_NO_MEMORY;
 882         }
 883
 884         /* Open the secrets database */
 885         ldb = secrets_db_connect(tmp_mem, ctx->event_ctx, ctx->lp_ctx);
 886         if (!ldb) {
 887                 r->out.error_string
 888                         = talloc_asprintf(mem_ctx,
 889                                           "Could not open secrets database");
 890                 talloc_free(tmp_mem);
 891                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 892         }
 893
 894         /*
 895          * now prepare the record for secrets.ldb
 896          */
 897         sct = talloc_asprintf(tmp_mem, "%d", r->in.join_type);
 898         if (!sct) {
 899                 r->out.error_string = NULL;
 900                 talloc_free(tmp_mem);
 901                 return NT_STATUS_NO_MEMORY;
 902         }
 903
 904         msg = ldb_msg_new(tmp_mem);
 905         if (!msg) {
 906                 r->out.error_string = NULL;
 907                 talloc_free(tmp_mem);
 908                 return NT_STATUS_NO_MEMORY;
 909         }
 910
 911         base_dn = ldb_dn_new(tmp_mem, ldb, "cn=Primary Domains");
 912         if (!base_dn) {
 913                 r->out.error_string = NULL;
 914                 talloc_free(tmp_mem);
 915                 return NT_STATUS_NO_MEMORY;
 916         }
 917
 918         msg->dn = ldb_dn_copy(tmp_mem, base_dn);
 919         if ( ! ldb_dn_add_child_fmt(msg->dn, "flatname=%s", r->in.domain_name)) {
 920                 r->out.error_string = NULL;
 921                 talloc_free(tmp_mem);
 922                 return NT_STATUS_NO_MEMORY;
 923         }
 924
 925         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "flatname", r->in.domain_name);
 926         if (rtn == -1) {
 927                 r->out.error_string = NULL;
 928                 talloc_free(tmp_mem);
 929                 return NT_STATUS_NO_MEMORY;
 930         }
 931
 932         if (r->in.realm) {
 933                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "realm", r->in.realm);
 934                 if (rtn == -1) {
 935                         r->out.error_string = NULL;
 936                         talloc_free(tmp_mem);
 937                         return NT_STATUS_NO_MEMORY;
 938                 }
 939
 940                 rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 941                 if (rtn == -1) {
 942                         r->out.error_string = NULL;
 943                         talloc_free(tmp_mem);
 944                         return NT_STATUS_NO_MEMORY;
 945                 }
 946         }
 947
 948         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "objectClass", "primaryDomain");
 949         if (rtn == -1) {
 950                 r->out.error_string = NULL;
 951                 talloc_free(tmp_mem);
 952                 return NT_STATUS_NO_MEMORY;
 953         }
 954
 955         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "secret", r->in.join_password);
 956         if (rtn == -1) {
 957                 r->out.error_string = NULL;
 958                 talloc_free(tmp_mem);
 959                 return NT_STATUS_NO_MEMORY;
 960         }
 961
 962         rtn = samdb_msg_add_string(ldb, tmp_mem, msg, "samAccountName", r->in.account_name);
 963         if (rtn == -1) {
 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, "secureChannelType", sct);
 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 (r->in.kvno) {
 977                 rtn = samdb_msg_add_uint(ldb, tmp_mem, msg, "msDS-KeyVersionNumber",
 978                                          r->in.kvno);
 979                 if (rtn == -1) {
 980                         r->out.error_string = NULL;
 981                         talloc_free(tmp_mem);
 982                         return NT_STATUS_NO_MEMORY;
 983                 }
 984         }
 985
 986         if (r->in.domain_sid) {
 987                 rtn = samdb_msg_add_dom_sid(ldb, tmp_mem, msg, "objectSid",
 988                                             r->in.domain_sid);
 989                 if (rtn == -1) {
 990                         r->out.error_string = NULL;
 991                         talloc_free(tmp_mem);
 992                         return NT_STATUS_NO_MEMORY;
 993                 }
 994         }
 995
 996         /*
 997          * search for the secret record
 998          * - remove the records we find
 999          * - and fetch the old secret and store it under priorSecret
1000          */
1001         ret = gendb_search(ldb,
1002                            tmp_mem, base_dn,
1003                            &msgs, attrs,
1004                            "(|" SECRETS_PRIMARY_DOMAIN_FILTER "(realm=%s))",
1005                            r->in.domain_name, r->in.realm);
1006         if (ret == 0) {
1007                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secretsKeytab", "secrets.keytab");
1008                 if (rtn == -1) {
1009                         r->out.error_string = NULL;
1010                         talloc_free(tmp_mem);
1011                         return NT_STATUS_NO_MEMORY;
1012                 }
1013         } else if (ret == -1) {
1014                 r->out.error_string
1015                         = talloc_asprintf(mem_ctx,
1016                                           "Search for domain: %s and realm: %s failed: %s",
1017                                           r->in.domain_name, r->in.realm, ldb_errstring(ldb));
1018                 talloc_free(tmp_mem);
1019                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1020         } else {
1021                 const struct ldb_val *private_keytab;
1022                 const struct ldb_val *krb5_main_keytab;
1023                 const struct ldb_val *prior_secret;
1024                 const struct ldb_val *prior_modified_time;
1025                 int i;
1026
1027                 for (i = 0; i < ret; i++) {
1028                         ldb_delete(ldb, msgs[i]->dn);
1029                 }
1030
1031                 prior_secret = ldb_msg_find_ldb_val(msgs[0], "secret");
1032                 if (prior_secret) {
1033                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorSecret", prior_secret);
1034                         if (rtn == -1) {
1035                                 r->out.error_string = NULL;
1036                                 talloc_free(tmp_mem);
1037                                 return NT_STATUS_NO_MEMORY;
1038                         }
1039                 }
1040                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secret", r->in.join_password);
1041                 if (rtn == -1) {
1042                         r->out.error_string = NULL;
1043                         talloc_free(tmp_mem);
1044                         return NT_STATUS_NO_MEMORY;
1045                 }
1046
1047                 prior_modified_time = ldb_msg_find_ldb_val(msgs[0],
1048                                                            "whenChanged");
1049                 if (prior_modified_time) {
1050                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "priorWhenChanged",
1051                                                   prior_modified_time);
1052                         if (rtn == -1) {
1053                                 r->out.error_string = NULL;
1054                                 talloc_free(tmp_mem);
1055                                 return NT_STATUS_NO_MEMORY;
1056                         }
1057                 }
1058
1059                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "samAccountName", r->in.account_name);
1060                 if (rtn == -1) {
1061                         r->out.error_string = NULL;
1062                         talloc_free(tmp_mem);
1063                         return NT_STATUS_NO_MEMORY;
1064                 }
1065
1066                 rtn = samdb_msg_set_string(ldb, tmp_mem, msg, "secureChannelType", sct);
1067                 if (rtn == -1) {
1068                         r->out.error_string = NULL;
1069                         talloc_free(tmp_mem);
1070                         return NT_STATUS_NO_MEMORY;
1071                 }
1072
1073                 /* We will want to keep the keytab names */
1074                 private_keytab = ldb_msg_find_ldb_val(msgs[0], "privateKeytab");
1075                 if (private_keytab) {
1076                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg, "privateKeytab", private_keytab);
1077                         if (rtn == -1) {
1078                                 r->out.error_string = NULL;
1079                                 talloc_free(tmp_mem);
1080                                 return NT_STATUS_NO_MEMORY;
1081                         }
1082                 }
1083                 krb5_main_keytab = ldb_msg_find_ldb_val(msgs[0], "krb5Keytab");
1084                 if (krb5_main_keytab) {
1085                         rtn = samdb_msg_set_value(ldb, tmp_mem, msg,
1086                                         "krb5Keytab", krb5_main_keytab);
1087                         if (rtn == -1) {
1088                                 r->out.error_string = NULL;
1089                                 talloc_free(tmp_mem);
1090                                 return NT_STATUS_NO_MEMORY;
1091                         }
1092                 }
1093         }
1094
1095         /* create the secret */
1096         ret = ldb_add(ldb, msg);
1097         if (ret != 0) {
1098                 r->out.error_string = talloc_asprintf(mem_ctx, "Failed to create secret record %s",
1099                                                       ldb_dn_get_linearized(msg->dn));
1100                 talloc_free(tmp_mem);
1101                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
1102         }
1103
1104         return NT_STATUS_OK;
1105 }
1106
1107 static NTSTATUS libnet_Join_primary_domain(struct libnet_context *ctx,
1108                                            TALLOC_CTX *mem_ctx,
1109                                            struct libnet_Join *r)
1110 {
1111         NTSTATUS status;
1112         TALLOC_CTX *tmp_mem;
1113         struct libnet_JoinDomain *r2;
1114         struct libnet_set_join_secrets *r3;
1115         uint32_t acct_type = 0;
1116         const char *account_name;
1117         const char *netbios_name;
1118
1119         r->out.error_string = NULL;
1120
1121         tmp_mem = talloc_new(mem_ctx);
1122         if (!tmp_mem) {
1123                 return NT_STATUS_NO_MEMORY;
1124         }
1125
1126         r2 = talloc(tmp_mem, struct libnet_JoinDomain);
1127         if (!r2) {
1128                 r->out.error_string = NULL;
1129                 talloc_free(tmp_mem);
1130                 return NT_STATUS_NO_MEMORY;
1131         }
1132
1133         if (r->in.join_type == SEC_CHAN_BDC) {
1134                 acct_type = ACB_SVRTRUST;
1135         } else if (r->in.join_type == SEC_CHAN_WKSTA) {
1136                 acct_type = ACB_WSTRUST;
1137         } else {
1138                 r->out.error_string = NULL;
1139                 talloc_free(tmp_mem);
1140                 return NT_STATUS_INVALID_PARAMETER;
1141         }
1142
1143         if (r->in.netbios_name != NULL) {
1144                 netbios_name = r->in.netbios_name;
1145         } else {
1146                 netbios_name = talloc_reference(tmp_mem, lp_netbios_name(ctx->lp_ctx));
1147                 if (!netbios_name) {
1148                         r->out.error_string = NULL;
1149                         talloc_free(tmp_mem);
1150                         return NT_STATUS_NO_MEMORY;
1151                 }
1152         }
1153
1154         account_name = talloc_asprintf(tmp_mem, "%s$", netbios_name);
1155         if (!account_name) {
1156                 r->out.error_string = NULL;
1157                 talloc_free(tmp_mem);
1158                 return NT_STATUS_NO_MEMORY;
1159         }
1160
1161         /*
1162          * join the domain
1163          */
1164         ZERO_STRUCTP(r2);
1165         r2->in.domain_name      = r->in.domain_name;
1166         r2->in.account_name     = account_name;
1167         r2->in.netbios_name     = netbios_name;
1168         r2->in.level            = LIBNET_JOINDOMAIN_AUTOMATIC;
1169         r2->in.acct_type        = acct_type;
1170         r2->in.recreate_account = false;
1171         status = libnet_JoinDomain(ctx, r2, r2);
1172         if (!NT_STATUS_IS_OK(status)) {
1173                 r->out.error_string = talloc_steal(mem_ctx, r2->out.error_string);
1174                 talloc_free(tmp_mem);
1175                 return status;
1176         }
1177
1178         r3 = talloc(tmp_mem, struct libnet_set_join_secrets);
1179         if (!r3) {
1180                 r->out.error_string = NULL;
1181                 talloc_free(tmp_mem);
1182                 return NT_STATUS_NO_MEMORY;
1183         }
1184
1185         ZERO_STRUCTP(r3);
1186         r3->in.domain_name = r2->out.domain_name;
1187         r3->in.realm = r2->out.realm;
1188         r3->in.account_name = account_name;
1189         r3->in.netbios_name = netbios_name;
1190         r3->in.join_type = r->in.join_type;
1191         r3->in.join_password = r2->out.join_password;
1192         r3->in.kvno = r2->out.kvno;
1193         r3->in.domain_sid = r2->out.domain_sid;
1194
1195         status = libnet_set_join_secrets(ctx, r3, r3);
1196         if (!NT_STATUS_IS_OK(status)) {
1197                 r->out.error_string = talloc_steal(mem_ctx, r3->out.error_string);
1198                 talloc_free(tmp_mem);
1199                 return status;
1200         }
1201
1202         /* move all out parameter to the callers TALLOC_CTX */
1203         r->out.error_string     = NULL;
1204         r->out.join_password    = r2->out.join_password;
1205         talloc_steal(mem_ctx, r2->out.join_password);
1206         r->out.domain_sid       = r2->out.domain_sid;
1207         talloc_steal(mem_ctx, r2->out.domain_sid);
1208         r->out.domain_name      = r2->out.domain_name;
1209         talloc_steal(mem_ctx, r2->out.domain_name);
1210         talloc_free(tmp_mem);
1211         return NT_STATUS_OK;
1212 }
1213
1214 NTSTATUS libnet_Join(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_Join *r)
1215 {
1216         switch (r->in.join_type) {
1217                 case SEC_CHAN_WKSTA:
1218                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1219                 case SEC_CHAN_BDC:
1220                         return libnet_Join_primary_domain(ctx, mem_ctx, r);
1221                 case SEC_CHAN_DOMAIN:
1222                         break;
1223         }
1224
1225         r->out.error_string = talloc_asprintf(mem_ctx,
1226                                               "Invalid join type specified (%08X) attempting to join domain %s",
1227                                               r->in.join_type, r->in.domain_name);
1228         return NT_STATUS_INVALID_PARAMETER;
1229 }