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/auth/libcli_auth.h"
  29 #include "auth/auth.h"
  30 #include "auth/gensec/gensec.h"
  31 #include "auth/credentials/credentials.h"
  32 #include "version.h"
  33 #include "param/param.h"
  34 #include "libcli/smb/smbXcli_base.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   handler for completion of a smbcli_request sub-request
  69 */
  70 static void request_handler(struct smbcli_request *req)
  71 {
  72         struct composite_context *c = (struct composite_context *)req->async.private_data;
  73         struct sesssetup_state *state = talloc_get_type(c->private_data, struct sesssetup_state);
  74         struct smbcli_session *session = req->session;
  75         DATA_BLOB null_data_blob = data_blob(NULL, 0);
  76         NTSTATUS session_key_err, nt_status;
  77         struct smbcli_request *check_req = NULL;
  78         const char *os = NULL;
  79         const char *lanman = NULL;
  80
  81         if (req->sign_caller_checks) {
  82                 req->do_not_free = true;
  83                 check_req = req;
  84         }
  85
  86         state->remote_status = smb_raw_sesssetup_recv(req, state, &state->setup);
  87         c->status = state->remote_status;
  88         state->req = NULL;
  89
  90         /*
  91          * we only need to check the signature if the
  92          * NT_STATUS_OK is returned
  93          */
  94         if (!NT_STATUS_IS_OK(state->remote_status)) {
  95                 talloc_free(check_req);
  96                 check_req = NULL;
  97         }
  98
  99         switch (state->setup.old.level) {
 100         case RAW_SESSSETUP_OLD:
 101                 state->io->out.vuid = state->setup.old.out.vuid;
 102                 /* This doesn't work, as this only happens on old
 103                  * protocols, where this comparison won't match. */
 104                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 105                         /* we neet to reset the vuid for a new try */
 106                         session->vuid = 0;
 107                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 108                                 nt_status = session_setup_old(c, session,
 109                                                               state->io,
 110                                                               &state->req);
 111                                 if (NT_STATUS_IS_OK(nt_status)) {
 112                                         talloc_free(check_req);
 113                                         c->status = nt_status;
 114                                         composite_continue_smb(c, state->req, request_handler, c);
 115                                         return;
 116                                 }
 117                         }
 118                 }
 119                 os = state->setup.old.out.os;
 120                 lanman = state->setup.old.out.lanman;
 121                 break;
 122
 123         case RAW_SESSSETUP_NT1:
 124                 state->io->out.vuid = state->setup.nt1.out.vuid;
 125                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 126                         /* we neet to reset the vuid for a new try */
 127                         session->vuid = 0;
 128                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 129                                 nt_status = session_setup_nt1(c, session,
 130                                                               state->io,
 131                                                               &state->req);
 132                                 if (NT_STATUS_IS_OK(nt_status)) {
 133                                         talloc_free(check_req);
 134                                         c->status = nt_status;
 135                                         composite_continue_smb(c, state->req, request_handler, c);
 136                                         return;
 137                                 }
 138                         }
 139                 }
 140                 os = state->setup.nt1.out.os;
 141                 lanman = state->setup.nt1.out.lanman;
 142                 break;
 143
 144         case RAW_SESSSETUP_SPNEGO:
 145                 state->io->out.vuid = state->setup.spnego.out.vuid;
 146                 if (NT_STATUS_EQUAL(c->status, NT_STATUS_LOGON_FAILURE)) {
 147                         /* we need to reset the vuid for a new try */
 148                         session->vuid = 0;
 149                         if (cli_credentials_wrong_password(state->io->in.credentials)) {
 150                                 nt_status = session_setup_spnego(c, session,
 151                                                                       state->io,
 152                                                                       &state->req);
 153                                 if (NT_STATUS_IS_OK(nt_status)) {
 154                                         talloc_free(check_req);
 155                                         c->status = nt_status;
 156                                         composite_continue_smb(c, state->req, request_handler, c);
 157                                         return;
 158                                 }
 159                         }
 160                 }
 161                 if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 162                     !NT_STATUS_IS_OK(c->status)) {
 163                         break;
 164                 }
 165                 if (NT_STATUS_EQUAL(state->gensec_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
 166
 167                         /* The status value here, from the earlier pass at GENSEC is
 168                          * vital to the security of the system.  Even if the other end
 169                          * accepts, if GENSEC claims 'MORE_PROCESSING_REQUIRED' then
 170                          * you must keep feeding it blobs, or else the remote
 171                          * host/attacker might avoid mutal authentication
 172                          * requirements */
 173
 174                         state->gensec_status = gensec_update(session->gensec, state, c->event_ctx,
 175                                                          state->setup.spnego.out.secblob,
 176                                                          &state->setup.spnego.in.secblob);
 177                         c->status = state->gensec_status;
 178                         if (!NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 179                             !NT_STATUS_IS_OK(c->status)) {
 180                                 break;
 181                         }
 182                 } else {
 183                         state->setup.spnego.in.secblob = data_blob(NULL, 0);
 184                 }
 185
 186                 if (NT_STATUS_IS_OK(state->remote_status)) {
 187                         DATA_BLOB session_key;
 188
 189                         if (state->setup.spnego.in.secblob.length) {
 190                                 c->status = NT_STATUS_INTERNAL_ERROR;
 191                                 break;
 192                         }
 193                         session_key_err = gensec_session_key(session->gensec, session, &session_key);
 194                         if (NT_STATUS_IS_OK(session_key_err)) {
 195                                 smb1cli_conn_activate_signing(session->transport->conn,
 196                                                               session_key,
 197                                                               null_data_blob);
 198                         }
 199
 200                         c->status = smb1cli_session_set_session_key(session->smbXcli,
 201                                                                     session_key);
 202                         data_blob_free(&session_key);
 203                         if (!NT_STATUS_IS_OK(c->status)) {
 204                                 break;
 205                         }
 206                 }
 207
 208                 if (state->setup.spnego.in.secblob.length) {
 209                         /*
 210                          * set the session->vuid value only for calling
 211                          * smb_raw_sesssetup_send()
 212                          */
 213                         uint16_t vuid = session->vuid;
 214                         session->vuid = state->io->out.vuid;
 215                         state->req = smb_raw_sesssetup_send(session, &state->setup);
 216                         session->vuid = vuid;
 217                         if (state->req &&
 218                             !smb1cli_conn_signing_is_active(state->req->transport->conn)) {
 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                 bool ok;
 235
 236                 check_req->sign_caller_checks = false;
 237
 238                 ok = smb1cli_conn_check_signing(check_req->transport->conn,
 239                                                 check_req->in.buffer, 1);
 240                 if (!ok) {
 241                         c->status = NT_STATUS_ACCESS_DENIED;
 242                 }
 243                 talloc_free(check_req);
 244                 check_req = NULL;
 245         }
 246
 247         if (!NT_STATUS_IS_OK(c->status)) {
 248                 composite_error(c, c->status);
 249                 return;
 250         }
 251
 252         if (os) {
 253                 session->os = talloc_strdup(session, os);
 254                 if (composite_nomem(session->os, c)) return;
 255         } else {
 256                 session->os = NULL;
 257         }
 258         if (lanman) {
 259                 session->lanman = talloc_strdup(session, lanman);
 260                 if (composite_nomem(session->lanman, c)) return;
 261         } else {
 262                 session->lanman = NULL;
 263         }
 264
 265         composite_done(c);
 266 }
 267
 268
 269 /*
 270   send a nt1 style session setup
 271 */
 272 static NTSTATUS session_setup_nt1(struct composite_context *c,
 273                                   struct smbcli_session *session,
 274                                   struct smb_composite_sesssetup *io,
 275                                   struct smbcli_request **req)
 276 {
 277         NTSTATUS nt_status = NT_STATUS_INTERNAL_ERROR;
 278         struct sesssetup_state *state = talloc_get_type(c->private_data,
 279                                                         struct sesssetup_state);
 280         const char *domain = cli_credentials_get_domain(io->in.credentials);
 281
 282         /*
 283          * domain controllers tend to reject the NTLM v2 blob
 284          * if the netbiosname is not valid (e.g. IP address or FQDN)
 285          * so just leave it away (as Windows client do)
 286          */
 287         DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, NULL, domain);
 288
 289         DATA_BLOB session_key = data_blob(NULL, 0);
 290         int flags = CLI_CRED_NTLM_AUTH;
 291
 292         if (session->options.lanman_auth) {
 293                 flags |= CLI_CRED_LANMAN_AUTH;
 294         }
 295
 296         if (session->options.ntlmv2_auth) {
 297                 flags |= CLI_CRED_NTLMv2_AUTH;
 298         }
 299
 300         state->setup.nt1.level           = RAW_SESSSETUP_NT1;
 301         state->setup.nt1.in.bufsize      = session->transport->options.max_xmit;
 302         state->setup.nt1.in.mpx_max      = session->transport->options.max_mux;
 303         state->setup.nt1.in.vc_num       = 1;
 304         state->setup.nt1.in.sesskey      = io->in.sesskey;
 305         state->setup.nt1.in.capabilities = io->in.capabilities;
 306         state->setup.nt1.in.os           = "Unix";
 307         state->setup.nt1.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 308
 309         cli_credentials_get_ntlm_username_domain(io->in.credentials, state,
 310                                                  &state->setup.nt1.in.user,
 311                                                  &state->setup.nt1.in.domain);
 312
 313
 314         if (session->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 315                 nt_status = cli_credentials_get_ntlm_response(io->in.credentials, state,
 316                                                               &flags,
 317                                                               session->transport->negotiate.secblob,
 318                                                               names_blob,
 319                                                               &state->setup.nt1.in.password1,
 320                                                               &state->setup.nt1.in.password2,
 321                                                               NULL, &session_key);
 322                 NT_STATUS_NOT_OK_RETURN(nt_status);
 323         } else if (session->options.plaintext_auth) {
 324                 const char *password = cli_credentials_get_password(io->in.credentials);
 325                 state->setup.nt1.in.password1 = data_blob_talloc(state, password, strlen(password));
 326                 state->setup.nt1.in.password2 = data_blob(NULL, 0);
 327         } else {
 328                 /* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
 329                 return NT_STATUS_INVALID_PARAMETER;
 330         }
 331
 332         *req = smb_raw_sesssetup_send(session, &state->setup);
 333         if (!*req) {
 334                 return NT_STATUS_NO_MEMORY;
 335         }
 336
 337         if (NT_STATUS_IS_OK(nt_status)) {
 338                 smb1cli_conn_activate_signing(session->transport->conn,
 339                                               session_key,
 340                                               state->setup.nt1.in.password2);
 341
 342                 nt_status = smb1cli_session_set_session_key(session->smbXcli,
 343                                                             session_key);
 344                 data_blob_free(&session_key);
 345                 if (!NT_STATUS_IS_OK(nt_status)) {
 346                         return nt_status;
 347                 }
 348         }
 349
 350         return (*req)->status;
 351 }
 352
 353
 354 /*
 355   old style session setup (pre NT1 protocol level)
 356 */
 357 static NTSTATUS session_setup_old(struct composite_context *c,
 358                                   struct smbcli_session *session,
 359                                   struct smb_composite_sesssetup *io,
 360                                   struct smbcli_request **req)
 361 {
 362         NTSTATUS nt_status;
 363         struct sesssetup_state *state = talloc_get_type(c->private_data,
 364                                                         struct sesssetup_state);
 365         const char *password = cli_credentials_get_password(io->in.credentials);
 366         const char *domain = cli_credentials_get_domain(io->in.credentials);
 367
 368         /*
 369          * domain controllers tend to reject the NTLM v2 blob
 370          * if the netbiosname is not valid (e.g. IP address or FQDN)
 371          * so just leave it away (as Windows client do)
 372          */
 373         DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, NULL, domain);
 374
 375         DATA_BLOB session_key;
 376         int flags = 0;
 377         if (session->options.lanman_auth) {
 378                 flags |= CLI_CRED_LANMAN_AUTH;
 379         }
 380
 381         if (session->options.ntlmv2_auth) {
 382                 flags |= CLI_CRED_NTLMv2_AUTH;
 383         }
 384
 385         state->setup.old.level      = RAW_SESSSETUP_OLD;
 386         state->setup.old.in.bufsize = session->transport->options.max_xmit;
 387         state->setup.old.in.mpx_max = session->transport->options.max_mux;
 388         state->setup.old.in.vc_num  = 1;
 389         state->setup.old.in.sesskey = io->in.sesskey;
 390         state->setup.old.in.os      = "Unix";
 391         state->setup.old.in.lanman  = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 392         cli_credentials_get_ntlm_username_domain(io->in.credentials, state,
 393                                                  &state->setup.old.in.user,
 394                                                  &state->setup.old.in.domain);
 395
 396         if (session->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 397                 nt_status = cli_credentials_get_ntlm_response(io->in.credentials, state,
 398                                                               &flags,
 399                                                               session->transport->negotiate.secblob,
 400                                                               names_blob,
 401                                                               &state->setup.old.in.password,
 402                                                               NULL,
 403                                                               NULL, &session_key);
 404                 NT_STATUS_NOT_OK_RETURN(nt_status);
 405
 406                 nt_status = smb1cli_session_set_session_key(session->smbXcli,
 407                                                             session_key);
 408                 data_blob_free(&session_key);
 409                 if (!NT_STATUS_IS_OK(nt_status)) {
 410                         return nt_status;
 411                 }
 412         } else if (session->options.plaintext_auth) {
 413                 state->setup.old.in.password = data_blob_talloc(state, password, strlen(password));
 414         } else {
 415                 /* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
 416                 return NT_STATUS_INVALID_PARAMETER;
 417         }
 418
 419         *req = smb_raw_sesssetup_send(session, &state->setup);
 420         if (!*req) {
 421                 return NT_STATUS_NO_MEMORY;
 422         }
 423         return (*req)->status;
 424 }
 425
 426
 427 /*
 428   Modern, all singing, all dancing extended security (and possibly SPNEGO) request
 429 */
 430 static NTSTATUS session_setup_spnego(struct composite_context *c,
 431                                      struct smbcli_session *session,
 432                                      struct smb_composite_sesssetup *io,
 433                                      struct smbcli_request **req)
 434 {
 435         struct sesssetup_state *state = talloc_get_type(c->private_data, struct sesssetup_state);
 436         NTSTATUS status;
 437         const char *chosen_oid = NULL;
 438
 439         state->setup.spnego.level           = RAW_SESSSETUP_SPNEGO;
 440         state->setup.spnego.in.bufsize      = session->transport->options.max_xmit;
 441         state->setup.spnego.in.mpx_max      = session->transport->options.max_mux;
 442         state->setup.spnego.in.vc_num       = 1;
 443         state->setup.spnego.in.sesskey      = io->in.sesskey;
 444         state->setup.spnego.in.capabilities = io->in.capabilities;
 445         state->setup.spnego.in.os           = "Unix";
 446         state->setup.spnego.in.lanman       = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
 447         state->setup.spnego.in.workgroup    = io->in.workgroup;
 448
 449         status = gensec_client_start(session, &session->gensec,
 450                                      io->in.gensec_settings);
 451         if (!NT_STATUS_IS_OK(status)) {
 452                 DEBUG(1, ("Failed to start GENSEC client mode: %s\n", nt_errstr(status)));
 453                 return status;
 454         }
 455
 456         gensec_want_feature(session->gensec, GENSEC_FEATURE_SESSION_KEY);
 457
 458         status = gensec_set_credentials(session->gensec, io->in.credentials);
 459         if (!NT_STATUS_IS_OK(status)) {
 460                 DEBUG(1, ("Failed to start set GENSEC client credentials: %s\n",
 461                           nt_errstr(status)));
 462                 return status;
 463         }
 464
 465         status = gensec_set_target_hostname(session->gensec,
 466                         smbXcli_conn_remote_name(session->transport->conn));
 467         if (!NT_STATUS_IS_OK(status)) {
 468                 DEBUG(1, ("Failed to start set GENSEC target hostname: %s\n",
 469                           nt_errstr(status)));
 470                 return status;
 471         }
 472
 473         status = gensec_set_target_service(session->gensec, "cifs");
 474         if (!NT_STATUS_IS_OK(status)) {
 475                 DEBUG(1, ("Failed to start set GENSEC target service: %s\n",
 476                           nt_errstr(status)));
 477                 return status;
 478         }
 479
 480         if (session->transport->negotiate.secblob.length) {
 481                 chosen_oid = GENSEC_OID_SPNEGO;
 482                 status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 483                 if (!NT_STATUS_IS_OK(status)) {
 484                         DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n",
 485                                   gensec_get_name_by_oid(session->gensec, chosen_oid), nt_errstr(status)));
 486                         chosen_oid = GENSEC_OID_NTLMSSP;
 487                         status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 488                         if (!NT_STATUS_IS_OK(status)) {
 489                                 DEBUG(1, ("Failed to start set (fallback) GENSEC client mechanism %s: %s\n",
 490                                           gensec_get_name_by_oid(session->gensec, chosen_oid),
 491                                           nt_errstr(status)));
 492                         return status;
 493                         }
 494                 }
 495         } else {
 496                 /* without a sec blob, means raw NTLMSSP */
 497                 chosen_oid = GENSEC_OID_NTLMSSP;
 498                 status = gensec_start_mech_by_oid(session->gensec, chosen_oid);
 499                 if (!NT_STATUS_IS_OK(status)) {
 500                         DEBUG(1, ("Failed to start set GENSEC client mechanism %s: %s\n",
 501                                   gensec_get_name_by_oid(session->gensec, chosen_oid), nt_errstr(status)));
 502                 }
 503         }
 504
 505         if ((const void *)chosen_oid == (const void *)GENSEC_OID_SPNEGO) {
 506                 status = gensec_update(session->gensec, state,
 507                                        c->event_ctx,
 508                                        session->transport->negotiate.secblob,
 509                                        &state->setup.spnego.in.secblob);
 510         } else {
 511                 status = gensec_update(session->gensec, state,
 512                                        c->event_ctx,
 513                                        data_blob(NULL, 0),
 514                                        &state->setup.spnego.in.secblob);
 515
 516         }
 517
 518         if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
 519             !NT_STATUS_IS_OK(status)) {
 520                 DEBUG(1, ("Failed initial gensec_update with mechanism %s: %s\n",
 521                           gensec_get_name_by_oid(session->gensec, chosen_oid),
 522                           nt_errstr(status)));
 523                 return status;
 524         }
 525         state->gensec_status = status;
 526
 527         *req = smb_raw_sesssetup_send(session, &state->setup);
 528         if (!*req) {
 529                 return NT_STATUS_NO_MEMORY;
 530         }
 531
 532         /*
 533          * we need to check the signature ourself
 534          * as the session key might be the acceptor subkey
 535          * which comes within the response itself
 536          */
 537         if (!smb1cli_conn_signing_is_active((*req)->transport->conn)) {
 538                 (*req)->sign_caller_checks = true;
 539         }
 540
 541         return (*req)->status;
 542 }
 543
 544
 545 /*
 546   composite session setup function that hides the details of all the
 547   different session setup varients, including the multi-pass nature of
 548   the spnego varient
 549 */
 550 struct composite_context *smb_composite_sesssetup_send(struct smbcli_session *session,
 551                                                        struct smb_composite_sesssetup *io)
 552 {
 553         struct composite_context *c;
 554         struct sesssetup_state *state;
 555         NTSTATUS status;
 556
 557         c = composite_create(session, session->transport->ev);
 558         if (c == NULL) return NULL;
 559
 560         state = talloc_zero(c, struct sesssetup_state);
 561         if (composite_nomem(state, c)) return c;
 562         c->private_data = state;
 563
 564         state->io = io;
 565
 566         talloc_set_destructor(state, sesssetup_state_destructor);
 567
 568         /* no session setup at all in earliest protocol varients */
 569         if (session->transport->negotiate.protocol < PROTOCOL_LANMAN1) {
 570                 ZERO_STRUCT(io->out);
 571                 composite_done(c);
 572                 return c;
 573         }
 574
 575         /* see what session setup interface we will use */
 576         if (session->transport->negotiate.protocol < PROTOCOL_NT1) {
 577                 status = session_setup_old(c, session, io, &state->req);
 578         } else if (!session->transport->options.use_spnego ||
 579                    !(io->in.capabilities & CAP_EXTENDED_SECURITY)) {
 580                 status = session_setup_nt1(c, session, io, &state->req);
 581         } else {
 582                 status = session_setup_spnego(c, session, io, &state->req);
 583         }
 584
 585         if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
 586             NT_STATUS_IS_OK(status)) {
 587                 composite_continue_smb(c, state->req, request_handler, c);
 588                 return c;
 589         }
 590
 591         composite_error(c, status);
 592         return c;
 593 }
 594
 595
 596 /*
 597   receive a composite session setup reply
 598 */
 599 NTSTATUS smb_composite_sesssetup_recv(struct composite_context *c)
 600 {
 601         NTSTATUS status;
 602         status = composite_wait(c);
 603         talloc_free(c);
 604         return status;
 605 }
 606
 607 /*
 608   sync version of smb_composite_sesssetup
 609 */
 610 NTSTATUS smb_composite_sesssetup(struct smbcli_session *session, struct smb_composite_sesssetup *io)
 611 {
 612         struct composite_context *c = smb_composite_sesssetup_send(session, io);
 613         return smb_composite_sesssetup_recv(c);
 614 }