source4/libcli/smb_composite/sesssetup.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Andrew Tridgell 2005
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19 /*
  20   a composite API for making handling a generic async session setup
  21 */
  22
  23 #include "includes.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/raw/raw_proto.h"
  26 #include "libcli/composite/composite.h"
  27 #include "libcli/smb_composite/smb_composite.h"
  28 #include "libcli/smb_composite/proto.h"
  29 #include "libcli/auth/libcli_auth.h"
  30 #include "auth/auth.h"
  31 #include "auth/gensec/gensec.h"
  32 #include "auth/credentials/credentials.h"
  33 #include "version.h"
  34 #include "param/param.h"
  35
  36 struct sesssetup_state {
  37         union smb_sesssetup setup;
  38         NTSTATUS remote_status;
  39         NTSTATUS gensec_status;
  40         struct smb_composite_sesssetup *io;
  41         struct smbcli_request *req;
  42 };
  43
  44 static int sesssetup_state_destructor(struct sesssetup_state *state)
  45 {
  46         if (state->req) {
  47                 talloc_free(state->req);
  48                 state->req = NULL;
  49         }
  50
  51         return 0;
  52 }
  53
  54 static NTSTATUS session_setup_old(struct composite_context *c,
  55                                   struct smbcli_session *session,
  56                                   struct smb_composite_sesssetup *io,
  57                                   struct smbcli_request **req);
  58 static NTSTATUS session_setup_nt1(struct composite_context *c,
  59                                   struct smbcli_session *session,
  60                                   struct smb_composite_sesssetup *io,
  61                                   struct smbcli_request **req);
  62 static NTSTATUS session_setup_spnego(struct composite_context *c,
  63                                      struct smbcli_session *session,
  64                                      struct smb_composite_sesssetup *io,
  65                                      struct smbcli_request **req);
  66
  67 /*
  68   store the user session key for a transport
  69 */
  70 static void set_user_session_key(struct smbcli_session *session,
  71                                  const DATA_BLOB *session_key)
  72 {
  73         session->user_session_key = data_blob_talloc(session,
  74                                                      session_key->data,
  75                                                      session_key->length);
  76 }
  77
  78 /*
  79   handler for completion of a smbcli_request sub-request
  80 */
  81 static void request_handler(struct smbcli_request *req)
  82 {
  83         struct composite_context *c = (struct composite_context *)req->async.private_data;
  84         struct sesssetup_state *state = talloc_get_type(c->private_data, struct sesssetup_state);
  85         struct smbcli_session *session = req->session;
  86         DATA_BLOB session_key = data_blob(NULL, 0);
  87         DATA_BLOB null_data_blob = data_blob(NULL, 0);
  88         NTSTATUS session_key_err, nt_status;
  89         struct smbcli_request *check_req = NULL;
  90         const char *os = NULL;
  91         const char *lanman = NULL;
  92
  93         if (req->sign_caller_checks) {
  94                 req->do_not_free = true;
  95                 check_req = req;
  96         }
  97
  98         state->remote_status = smb_raw_sesssetup_recv(req, state, &state->setup);
  99         c->status = state->remote_status;
 100         state->req = NULL;
 101
 102         /*
 103          * we only need to check the signature if the
 104          * NT_STATUS_OK is returned
 105          */
 106         if (!NT_STATUS_IS_OK(state->remote_status)) {
 107                 talloc_free(check_req);
 108                 check_req = NULL;
 109         }
 110
 111         switch (state->setup.old.level) {
 112         case RAW_SESSSETUP_OLD:
 113                 state->io->out.vuid = state->setup.old.out.vuid;
 114                 /* This doesn't work, as this only happens on old
 115                  * protocols, where this comparison won't match. */
 116                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 117                         /* we neet to reset the vuid for a new try */
 118                         session->vuid = 0;
 119                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 120                                 nt_status = session_setup_old(c, session,
 121                                                               state->io,
 122                                                               &state->req);
 123                                 if (NT_STATUS_IS_OK(nt_status)) {
 124                                         talloc_free(check_req);
 125                                         c->status = nt_status;
 126                                         composite_continue_smb(c, state->req, request_handler, c);
 127                                         return;
 128                                 }
 129                         }
 130                 }
 131                 os = state->setup.old.out.os;
 132                 lanman = state->setup.old.out.lanman;
 133                 break;
 134
 135         case RAW_SESSSETUP_NT1:
 136                 state->io->out.vuid = state->setup.nt1.out.vuid;
 137                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 138                         /* we neet to reset the vuid for a new try */
 139                         session->vuid = 0;
 140                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 141                                 nt_status = session_setup_nt1(c, session,
 142                                                               state->io,
 143                                                               &state->req);
 144                                 if (NT_STATUS_IS_OK(nt_status)) {
 145                                         talloc_free(check_req);
 146                                         c->status = nt_status;
 147                                         composite_continue_smb(c, state->req, request_handler, c);
 148                                         return;
 149                                 }
 150                         }
 151                 }
 152                 os = state->setup.nt1.out.os;
 153                 lanman = state->setup.nt1.out.lanman;
 154                 break;
 155
 156         case RAW_SESSSETUP_SPNEGO:
 157                 state->io->out.vuid = state->setup.spnego.out.vuid;
 158                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 159                         /* we need to reset the vuid for a new try */
 160                         session->vuid = 0;
 161                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 162                                 nt_status = session_setup_spnego(c, session,
 163                                                                       state->io,
 164                                                                       &state->req);
 165                                 if (NT_STATUS_IS_OK(nt_status)) {
 166                                         talloc_free(check_req);
 167                                         c->status = nt_status;
 168                                         composite_continue_smb(c, state->req, request_handler, c);
 169                                         return;
 170                                 }
 171                         }
 172                 }
 173                 if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 174                     !NT_STATUS_IS_OK(c->status)) {
 175                         break;
 176                 }
 177                 if (NT_STATUS_EQUAL(state->gensec_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
 178
 179                         /* The status value here, from the earlier pass at GENSEC is
 180                          * vital to the security of the system.  Even if the other end
 181                          * accepts, if GENSEC claims 'MORE_PROCESSING_REQUIRED' then
 182                          * you must keep feeding it blobs, or else the remote
 183                          * host/attacker might avoid mutal authentication
 184                          * requirements */
 185
 186                         state->gensec_status = gensec_update(session->gensec, state,
 187                                                          state->setup.spnego.out.secblob,
 188                                                          &state->setup.spnego.in.secblob);
 189                         c->status = state->gensec_status;
 190                         if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 191                             !NT_STATUS_IS_OK(c->status)) {
 192                                 break;
 193                         }
 194                 } else {
 195                         state->setup.spnego.in.secblob = data_blob(NULL, 0);
 196                 }
 197
 198                 if (NT_STATUS_IS_OK(state->remote_status)) {
 199                         if (state->setup.spnego.in.secblob.length) {
 200                                 c->status = NT_STATUS_INTERNAL_ERROR;
 201                                 break;
 202                         }
 203                         session_key_err = gensec_session_key(session->gensec, session, &session->user_session_key);
 204                         if (NT_STATUS_IS_OK(session_key_err)) {
 205                                 smbcli_transport_simple_set_signing(session->transport, session->user_session_key, null_data_blob);
 206                         }
 207                 }
 208
 209                 if (state->setup.spnego.in.secblob.length) {
 210                         /*
 211                          * set the session->vuid value only for calling
 212                          * smb_raw_sesssetup_send()
 213                          */
 214                         uint16_t vuid = session->vuid;
 215                         session->vuid = state->io->out.vuid;
 216                         state->req = smb_raw_sesssetup_send(session, &state->setup);
 217                         session->vuid = vuid;
 218                         if (state->req) {
 219                                 state->req->sign_caller_checks = true;
 220                         }
 221                         composite_continue_smb(c, state->req, request_handler, c);
 222                         return;
 223                 }
 224                 os = state->setup.spnego.out.os;
 225                 lanman = state->setup.spnego.out.lanman;
 226                 break;
 227
 228         case RAW_SESSSETUP_SMB2:
 229                 c->status = NT_STATUS_INTERNAL_ERROR;
 230                 break;
 231         }
 232
 233         if (check_req) {
 234                 check_req->sign_caller_checks = false;
 235                 if (!smbcli_request_check_sign_mac(check_req)) {
 236                         c->status = NT_STATUS_ACCESS_DENIED;
 237                 }
 238                 talloc_free(check_req);
 239                 check_req = NULL;
 240         }
 241
 242         /* enforce the local signing required flag */
 243         if (NT_STATUS_IS_OK(c->status) && !cli_credentials_is_anonymous(state->io->in.credentials)) {
 244                 if (!session->transport->negotiate.sign_info.doing_signing
 245                     && session->transport->negotiate.sign_info.mandatory_signing) {
 246                         DEBUG(0, ("SMB signing required, but server does not support it\n"));
 247                         c->status = NT_STATUS_ACCESS_DENIED;
 248                 }
 249         }
 250
 251         if (!NT_STATUS_IS_OK(c->status)) {
 252                 composite_error(c, c->status);
 253                 return;
 254         }
 255
 256         if (os) {
 257                 session->os = talloc_strdup(session, os);
 258                 if (composite_nomem(session->os, c)) return;
 259         } else {
 260                 session->os = NULL;
 261         }
 262         if (lanman) {
 263                 session->lanman = talloc_strdup(session, lanman);
 264                 if (composite_nomem(session->lanman, c)) return;
 265         } else {
 266                 session->lanman = NULL;
 267         }
 268
 269         composite_done(c);
 270 }
 271
 272
 273 /*
 274   send a nt1 style session setup
 275 */
 276 static NTSTATUS session_setup_nt1(struct composite_context *c,
 277                                   struct smbcli_session *session,
 278                                   struct smb_composite_sesssetup *io,
 279                                   struct smbcli_request **req)
 280 {
 281         NTSTATUS nt_status = NT_STATUS_INTERNAL_ERROR;
 282         struct sesssetup_state *state = talloc_get_type(c->private_data,
 283                                                         struct sesssetup_state);
 284         const char *domain = cli_credentials_get_domain(io->in.credentials);
 285
 286         /*
 287          * domain controllers tend to reject the NTLM v2 blob
 288          * if the netbiosname is not valid (e.g. IP address or FQDN)
 289          * so just leave it away (as Windows client do)
 290          */
 291         DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, NULL, domain);
 292
 293         DATA_BLOB session_key = data_blob(NULL, 0);
 294         int flags = CLI_CRED_NTLM_AUTH;
 295
 296         smbcli_temp_set_signing(session->transport);
 297
 298         if (session->options.lanman_auth) {
 299                 flags |= CLI_CRED_LANMAN_AUTH;
 300         }
 301
 302         if (session->options.ntlmv2_auth) {
 303                 flags |= CLI_CRED_NTLMv2_AUTH;
 304         }
 305
 306         state->setup.nt1.level           = RAW_SESSSETUP_NT1;
 307         state->setup.nt1.in.bufsize      = session->transport->options.max_xmit;
 308         state->setup.nt1.in.mpx_max      = session->transport->options.max_mux;
 309         state->setup.nt1.in.vc_num       = 1;
 310         state->setup.nt1.in.sesskey      = io->in.sesskey;
 311         state->setup.nt1.in.capabilities = io->in.capabilities;
 312         state->setup.nt1.in.os           = "Unix";
 313         state->setup.nt1.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 314
 315         cli_credentials_get_ntlm_username_domain(io->in.credentials, state,
 316                                                  &state->setup.nt1.in.user,
 317                                                  &state->setup.nt1.in.domain);
 318
 319
 320         if (session->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 321                 nt_status = cli_credentials_get_ntlm_response(io->in.credentials, state,
 322                                                               &flags,
 323                                                               session->transport->negotiate.secblob,
 324                                                               names_blob,
 325                                                               &state->setup.nt1.in.password1,
 326                                                               &state->setup.nt1.in.password2,
 327                                                               NULL, &session_key);
 328                 NT_STATUS_NOT_OK_RETURN(nt_status);
 329         } else if (session->options.plaintext_auth) {
 330                 const char *password = cli_credentials_get_password(io->in.credentials);
 331                 state->setup.nt1.in.password1 = data_blob_talloc(state, password, strlen(password));
 332                 state->setup.nt1.in.password2 = data_blob(NULL, 0);
 333         } else {
 334                 /* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
 335                 return NT_STATUS_INVALID_PARAMETER;
 336         }
 337
 338         *req = smb_raw_sesssetup_send(session, &state->setup);
 339         if (!*req) {
 340                 return NT_STATUS_NO_MEMORY;
 341         }
 342
 343         if (NT_STATUS_IS_OK(nt_status)) {
 344                 smbcli_transport_simple_set_signing(session->transport, session_key,
 345                                                     state->setup.nt1.in.password2);
 346                 set_user_session_key(session, &session_key);
 347
 348                 data_blob_free(&session_key);
 349         }
 350
 351         return (*req)->status;
 352 }
 353
 354
 355 /*
 356   old style session setup (pre NT1 protocol level)
 357 */
 358 static NTSTATUS session_setup_old(struct composite_context *c,
 359                                   struct smbcli_session *session,
 360                                   struct smb_composite_sesssetup *io,
 361                                   struct smbcli_request **req)
 362 {
 363         NTSTATUS nt_status;
 364         struct sesssetup_state *state = talloc_get_type(c->private_data,
 365                                                         struct sesssetup_state);
 366         const char *password = cli_credentials_get_password(io->in.credentials);
 367         const char *domain = cli_credentials_get_domain(io->in.credentials);
 368
 369         /*
 370          * domain controllers tend to reject the NTLM v2 blob
 371          * if the netbiosname is not valid (e.g. IP address or FQDN)
 372          * so just leave it away (as Windows client do)
 373          */
 374         DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, NULL, domain);
 375
 376         DATA_BLOB session_key;
 377         int flags = 0;
 378         if (session->options.lanman_auth) {
 379                 flags |= CLI_CRED_LANMAN_AUTH;
 380         }
 381
 382         if (session->options.ntlmv2_auth) {
 383                 flags |= CLI_CRED_NTLMv2_AUTH;
 384         }
 385
 386         state->setup.old.level      = RAW_SESSSETUP_OLD;
 387         state->setup.old.in.bufsize = session->transport->options.max_xmit;
 388         state->setup.old.in.mpx_max = session->transport->options.max_mux;
 389         state->setup.old.in.vc_num  = 1;
 390         state->setup.old.in.sesskey = io->in.sesskey;
 391         state->setup.old.in.os      = "Unix";
 392         state->setup.old.in.lanman  = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 393         cli_credentials_get_ntlm_username_domain(io->in.credentials, state,
 394                                                  &state->setup.old.in.user,
 395                                                  &state->setup.old.in.domain);
 396
 397         if (session->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 398                 nt_status = cli_credentials_get_ntlm_response(io->in.credentials, state,
 399                                                               &flags,
 400                                                               session->transport->negotiate.secblob,
 401                                                               names_blob,
 402                                                               &state->setup.old.in.password,
 403                                                               NULL,
 404                                                               NULL, &session_key);
 405                 NT_STATUS_NOT_OK_RETURN(nt_status);
 406                 set_user_session_key(session, &session_key);
 407
 408                 data_blob_free(&session_key);
 409         } else if (session->options.plaintext_auth) {
 410                 state->setup.old.in.password = data_blob_talloc(state, password, strlen(password));
 411         } else {
 412                 /* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
 413                 return NT_STATUS_INVALID_PARAMETER;
 414         }
 415
 416         *req = smb_raw_sesssetup_send(session, &state->setup);
 417         if (!*req) {
 418                 return NT_STATUS_NO_MEMORY;
 419         }
 420         return (*req)->status;
 421 }
 422
 423
 424 /*
 425   Modern, all singing, all dancing extended security (and possibly SPNEGO) request
 426 */
 427 static NTSTATUS session_setup_spnego(struct composite_context *c,
 428                                      struct smbcli_session *session,
 429                                      struct smb_composite_sesssetup *io,
 430                                      struct smbcli_request **req)
 431 {
 432         struct sesssetup_state *state = talloc_get_type(c->private_data, struct sesssetup_state);
 433         NTSTATUS status;
 434         const char *chosen_oid = NULL;
 435
 436         state->setup.spnego.level           = RAW_SESSSETUP_SPNEGO;
 437         state->setup.spnego.in.bufsize      = session->transport->options.max_xmit;
 438         state->setup.spnego.in.mpx_max      = session->transport->options.max_mux;
 439         state->setup.spnego.in.vc_num       = 1;
 440         state->setup.spnego.in.sesskey      = io->in.sesskey;
 441         state->setup.spnego.in.capabilities = io->in.capabilities;
 442         state->setup.spnego.in.os           = "Unix";
 443         state->setup.spnego.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 444         state->setup.spnego.in.workgroup    = io->in.workgroup;
 445
 446         smbcli_temp_set_signing(session->transport);
 447
 448         status = gensec_client_start(session, &session->gensec, c->event_ctx,
 449                                      io->in.gensec_settings);
 450         if (!NT_STATUS_IS_OK(status)) {
 451                 DEBUG(1, ("Failed to start GENSEC client mode: %s\n", nt_errstr(status)));
 452                 return status;
 453         }
 454
 455         gensec_want_feature(session->gensec, GENSEC_FEATURE_SESSION_KEY);
 456
 457         status = gensec_set_credentials(session->gensec, io->in.credentials);
 458         if (!NT_STATUS_IS_OK(status)) {
 459                 DEBUG(1, ("Failed to start set GENSEC client credentials: %s\n",
 460                           nt_errstr(status)));
 461                 return status;
 462         }
 463
 464         status = gensec_set_target_hostname(session->gensec, session->transport->socket->hostname);
 465         if (!NT_STATUS_IS_OK(status)) {
 466                 DEBUG(1, ("Failed to start set GENSEC target hostname: %s\n",
 467                           nt_errstr(status)));
 468                 return status;
 469         }
 470
 471         status = gensec_set_target_service(session->gensec, "cifs");
 472         if (!NT_STATUS_IS_OK(status)) {
 473                 DEBUG(1, ("Failed to start set GENSEC target service: %s\n",
 474                           nt_errstr(status)));
 475                 return status;
 476         }
 477
 478         if (session->transport->negotiate.secblob.length) {
 479                 chosen_oid = GENSEC_OID_SPNEGO;
 480                 status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 481                 if (!NT_STATUS_IS_OK(status)) {
 482                         DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n",
 483                                   gensec_get_name_by_oid(session->gensec, chosen_oid), nt_errstr(status)));
 484                         chosen_oid = GENSEC_OID_NTLMSSP;
 485                         status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 486                         if (!NT_STATUS_IS_OK(status)) {
 487                                 DEBUG(1, ("Failed to start set (fallback) GENSEC client mechanism %s: %s\n",
 488                                           gensec_get_name_by_oid(session->gensec, chosen_oid),
 489                                           nt_errstr(status)));
 490                         return status;
 491                         }
 492                 }
 493         } else {
 494                 /* without a sec blob, means raw NTLMSSP */
 495                 chosen_oid = GENSEC_OID_NTLMSSP;
 496                 status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 497                 if (!NT_STATUS_IS_OK(status)) {
 498                         DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n",
 499                                   gensec_get_name_by_oid(session->gensec, chosen_oid), nt_errstr(status)));
 500                 }
 501         }
 502
 503         if ((const void *)chosen_oid == (const void *)GENSEC_OID_SPNEGO) {
 504                 status = gensec_update(session->gensec, state,
 505                                        session->transport->negotiate.secblob,
 506                                        &state->setup.spnego.in.secblob);
 507         } else {
 508                 status = gensec_update(session->gensec, state,
 509                                        data_blob(NULL, 0),
 510                                        &state->setup.spnego.in.secblob);
 511
 512         }
 513
 514         if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 515             !NT_STATUS_IS_OK(status)) {
 516                 DEBUG(1, ("Failed initial gensec_update with mechanism %s: %s\n",
 517                           gensec_get_name_by_oid(session->gensec, chosen_oid),
 518                           nt_errstr(status)));
 519                 return status;
 520         }
 521         state->gensec_status = status;
 522
 523         *req = smb_raw_sesssetup_send(session, &state->setup);
 524         if (!*req) {
 525                 return NT_STATUS_NO_MEMORY;
 526         }
 527
 528         /*
 529          * we need to check the signature ourself
 530          * as the session key might be the acceptor subkey
 531          * which comes within the response itself
 532          */
 533         (*req)->sign_caller_checks = true;
 534
 535         return (*req)->status;
 536 }
 537
 538
 539 /*
 540   composite session setup function that hides the details of all the
 541   different session setup varients, including the multi-pass nature of
 542   the spnego varient
 543 */
 544 struct composite_context *smb_composite_sesssetup_send(struct smbcli_session *session,
 545                                                        struct smb_composite_sesssetup *io)
 546 {
 547         struct composite_context *c;
 548         struct sesssetup_state *state;
 549         NTSTATUS status;
 550
 551         c = composite_create(session, session->transport->socket->event.ctx);
 552         if (c == NULL) return NULL;
 553
 554         state = talloc_zero(c, struct sesssetup_state);
 555         if (composite_nomem(state, c)) return c;
 556         c->private_data = state;
 557
 558         state->io = io;
 559
 560         talloc_set_destructor(state, sesssetup_state_destructor);
 561
 562         /* no session setup at all in earliest protocol varients */
 563         if (session->transport->negotiate.protocol < PROTOCOL_LANMAN1) {
 564                 ZERO_STRUCT(io->out);
 565                 composite_done(c);
 566                 return c;
 567         }
 568
 569         /* see what session setup interface we will use */
 570         if (session->transport->negotiate.protocol < PROTOCOL_NT1) {
 571                 status = session_setup_old(c, session, io, &state->req);
 572         } else if (!session->transport->options.use_spnego ||
 573                    !(io->in.capabilities & CAP_EXTENDED_SECURITY)) {
 574                 status = session_setup_nt1(c, session, io, &state->req);
 575         } else {
 576                 status = session_setup_spnego(c, session, io, &state->req);
 577         }
 578
 579         if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
 580             NT_STATUS_IS_OK(status)) {
 581                 composite_continue_smb(c, state->req, request_handler, c);
 582                 return c;
 583         }
 584
 585         composite_error(c, status);
 586         return c;
 587 }
 588
 589
 590 /*
 591   receive a composite session setup reply
 592 */
 593 NTSTATUS smb_composite_sesssetup_recv(struct composite_context *c)
 594 {
 595         NTSTATUS status;
 596         status = composite_wait(c);
 597         talloc_free(c);
 598         return status;
 599 }
 600
 601 /*
 602   sync version of smb_composite_sesssetup
 603 */
 604 NTSTATUS smb_composite_sesssetup(struct smbcli_session *session, struct smb_composite_sesssetup *io)
 605 {
 606         struct composite_context *c = smb_composite_sesssetup_send(session, io);
 607         return smb_composite_sesssetup_recv(c);
 608 }