source/winbind/wb_async_helpers.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Volker Lendecke 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 2 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, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20 /*
  21   a composite API for finding a DC and its name
  22 */
  23
  24 #include "includes.h"
  25 #include "libcli/composite/composite.h"
  26 #include "libcli/smb_composite/smb_composite.h"
  27 #include "winbind/wb_async_helpers.h"
  28 #include "winbind/wb_server.h"
  29 #include "smbd/service_stream.h"
  30
  31 #include "librpc/gen_ndr/nbt.h"
  32 #include "librpc/gen_ndr/samr.h"
  33 #include "lib/messaging/irpc.h"
  34 #include "librpc/gen_ndr/irpc.h"
  35 #include "librpc/gen_ndr/ndr_irpc.h"
  36 #include "libcli/raw/libcliraw.h"
  37 #include "librpc/gen_ndr/ndr_netlogon.h"
  38 #include "librpc/gen_ndr/ndr_lsa.h"
  39 #include "libcli/auth/credentials.h"
  40
  41 struct finddcs_state {
  42         struct composite_context *ctx;
  43         struct messaging_context *msg_ctx;
  44
  45         const char *domain_name;
  46         const struct dom_sid *domain_sid;
  47
  48         struct nbtd_getdcname r;
  49
  50         int num_dcs;
  51         struct nbt_dc_name *dcs;
  52 };
  53
  54 static void finddcs_resolve(struct composite_context *ctx);
  55 static void finddcs_getdc(struct irpc_request *ireq);
  56
  57 struct composite_context *wb_finddcs_send(const char *domain_name,
  58                                           const struct dom_sid *domain_sid,
  59                                           struct event_context *event_ctx,
  60                                           struct messaging_context *msg_ctx)
  61 {
  62         struct composite_context *result, *ctx;
  63         struct finddcs_state *state;
  64         struct nbt_name name;
  65
  66         result = talloc_zero(NULL, struct composite_context);
  67         if (result == NULL) goto failed;
  68         result->state = COMPOSITE_STATE_IN_PROGRESS;
  69         result->event_ctx = event_ctx;
  70
  71         state = talloc(result, struct finddcs_state);
  72         if (state == NULL) goto failed;
  73         state->ctx = result;
  74         result->private_data = state;
  75
  76         state->domain_name = talloc_strdup(state, domain_name);
  77         if (state->domain_name == NULL) goto failed;
  78         state->domain_sid = dom_sid_dup(state, domain_sid);
  79         if (state->domain_sid == NULL) goto failed;
  80         state->msg_ctx = msg_ctx;
  81
  82         make_nbt_name(&name, state->domain_name, 0x1c);
  83         ctx = resolve_name_send(&name, result->event_ctx,
  84                                 lp_name_resolve_order());
  85
  86         if (ctx == NULL) goto failed;
  87         ctx->async.fn = finddcs_resolve;
  88         ctx->async.private_data = state;
  89
  90         return result;
  91
  92 failed:
  93         talloc_free(result);
  94         return NULL;
  95 }
  96
  97 static void finddcs_resolve(struct composite_context *ctx)
  98 {
  99         struct finddcs_state *state =
 100                 talloc_get_type(ctx->async.private_data, struct finddcs_state);
 101         struct irpc_request *ireq;
 102         uint32_t *nbt_servers;
 103         const char *address;
 104
 105         state->ctx->status = resolve_name_recv(ctx, state, &address);
 106         if (!composite_is_ok(state->ctx)) return;
 107
 108         state->num_dcs = 1;
 109         state->dcs = talloc_array(state, struct nbt_dc_name, state->num_dcs);
 110         if (composite_nomem(state->dcs, state->ctx)) return;
 111
 112         state->dcs[0].address = talloc_steal(state->dcs, address);
 113
 114         nbt_servers = irpc_servers_byname(state->msg_ctx, "nbt_server");
 115         if ((nbt_servers == NULL) || (nbt_servers[0] == 0)) {
 116                 composite_error(state->ctx, NT_STATUS_NO_LOGON_SERVERS);
 117                 return;
 118         }
 119
 120         state->r.in.domainname = state->domain_name;
 121         state->r.in.ip_address = state->dcs[0].address;
 122         state->r.in.my_computername = lp_netbios_name();
 123         state->r.in.my_accountname = talloc_asprintf(state, "%s$",
 124                                                      lp_netbios_name());
 125         if (composite_nomem(state->r.in.my_accountname, state->ctx)) return;
 126         state->r.in.account_control = ACB_WSTRUST;
 127         state->r.in.domain_sid = dom_sid_dup(state, state->domain_sid);
 128         if (composite_nomem(state->r.in.domain_sid, state->ctx)) return;
 129
 130         ireq = irpc_call_send(state->msg_ctx, nbt_servers[0],
 131                               &dcerpc_table_irpc, DCERPC_NBTD_GETDCNAME,
 132                               &state->r, state);
 133         composite_continue_irpc(state->ctx, ireq, finddcs_getdc, state);
 134 }
 135
 136 static void finddcs_getdc(struct irpc_request *ireq)
 137 {
 138         struct finddcs_state *state =
 139                 talloc_get_type(ireq->async.private, struct finddcs_state);
 140
 141         state->ctx->status = irpc_call_recv(ireq);
 142         talloc_free(ireq);
 143         if (!composite_is_ok(state->ctx)) return;
 144
 145         state->dcs[0].name = talloc_steal(state->dcs, state->r.out.dcname);
 146         composite_done(state->ctx);
 147 }
 148
 149 NTSTATUS wb_finddcs_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 150                          int *num_dcs, struct nbt_dc_name **dcs)
 151 {
 152         NTSTATUS status =composite_wait(c);
 153         if (NT_STATUS_IS_OK(status)) {
 154                 struct finddcs_state *state =
 155                         talloc_get_type(c->private_data, struct finddcs_state);
 156                 *num_dcs = state->num_dcs;
 157                 *dcs = talloc_steal(mem_ctx, state->dcs);
 158         }
 159         talloc_free(c);
 160         return status;
 161 }
 162
 163 NTSTATUS wb_finddcs(const char *domain_name, const struct dom_sid *domain_sid,
 164                     struct event_context *event_ctx,
 165                     struct messaging_context *msg_ctx,
 166                     TALLOC_CTX *mem_ctx,
 167                     int *num_dcs, struct nbt_dc_name **dcs)
 168 {
 169         struct composite_context *c = wb_finddcs_send(domain_name, domain_sid,
 170                                                       event_ctx, msg_ctx);
 171         return wb_finddcs_recv(c, mem_ctx, num_dcs, dcs);
 172 }
 173
 174 struct get_schannel_creds_state {
 175         struct composite_context *ctx;
 176         struct cli_credentials *wks_creds;
 177         struct dcerpc_pipe *p;
 178         struct netr_ServerReqChallenge r;
 179
 180         struct creds_CredentialState *creds_state;
 181         struct netr_Credential netr_cred;
 182         uint32_t negotiate_flags;
 183         struct netr_ServerAuthenticate2 a;
 184 };
 185
 186 static void get_schannel_creds_recv_auth(struct rpc_request *req);
 187 static void get_schannel_creds_recv_chal(struct rpc_request *req);
 188 static void get_schannel_creds_recv_pipe(struct composite_context *ctx);
 189
 190 struct composite_context *wb_get_schannel_creds_send(struct cli_credentials *wks_creds,
 191                                                      struct smbcli_tree *tree,
 192                                                      struct event_context *ev)
 193 {
 194         struct composite_context *result, *ctx;
 195         struct get_schannel_creds_state *state;
 196
 197         result = talloc_zero(NULL, struct composite_context);
 198         if (result == NULL) goto failed;
 199         result->state = COMPOSITE_STATE_IN_PROGRESS;
 200         result->event_ctx = ev;
 201
 202         state = talloc(result, struct get_schannel_creds_state);
 203         if (state == NULL) goto failed;
 204         result->private_data = state;
 205         state->ctx = result;
 206
 207         state->wks_creds = wks_creds;
 208
 209         state->p = dcerpc_pipe_init(state, ev);
 210         if (state->p == NULL) goto failed;
 211
 212         ctx = dcerpc_pipe_open_smb_send(state->p->conn, tree, "\\netlogon");
 213         if (ctx == NULL) goto failed;
 214
 215         ctx->async.fn = get_schannel_creds_recv_pipe;
 216         ctx->async.private_data = state;
 217         return result;
 218
 219  failed:
 220         talloc_free(result);
 221         return NULL;
 222 }
 223
 224 static void get_schannel_creds_recv_pipe(struct composite_context *ctx)
 225 {
 226         struct get_schannel_creds_state *state =
 227                 talloc_get_type(ctx->async.private_data,
 228                                 struct get_schannel_creds_state);
 229         struct rpc_request *req;
 230
 231         state->ctx->status = dcerpc_pipe_open_smb_recv(ctx);
 232         if (!composite_is_ok(state->ctx)) return;
 233
 234         state->ctx->status = dcerpc_bind_auth_none(state->p,
 235                                                    DCERPC_NETLOGON_UUID,
 236                                                    DCERPC_NETLOGON_VERSION);
 237         if (!composite_is_ok(state->ctx)) return;
 238
 239         state->r.in.computer_name =
 240                 cli_credentials_get_workstation(state->wks_creds);
 241         state->r.in.server_name =
 242                 talloc_asprintf(state, "\\\\%s",
 243                                 dcerpc_server_name(state->p));
 244         if (composite_nomem(state->r.in.server_name, state->ctx)) return;
 245
 246         state->r.in.credentials = talloc(state, struct netr_Credential);
 247         if (composite_nomem(state->r.in.credentials, state->ctx)) return;
 248
 249         state->r.out.credentials = talloc(state, struct netr_Credential);
 250         if (composite_nomem(state->r.out.credentials, state->ctx)) return;
 251
 252         generate_random_buffer(state->r.in.credentials->data,
 253                                sizeof(state->r.in.credentials->data));
 254
 255         req = dcerpc_netr_ServerReqChallenge_send(state->p, state, &state->r);
 256         composite_continue_rpc(state->ctx, req,
 257                                get_schannel_creds_recv_chal, state);
 258 }
 259
 260 static void get_schannel_creds_recv_chal(struct rpc_request *req)
 261 {
 262         struct get_schannel_creds_state *state =
 263                 talloc_get_type(req->async.private,
 264                                 struct get_schannel_creds_state);
 265         const struct samr_Password *mach_pwd;
 266
 267         state->ctx->status = dcerpc_ndr_request_recv(req);
 268         if (!composite_is_ok(state->ctx)) return;
 269         state->ctx->status = state->r.out.result;
 270         if (!composite_is_ok(state->ctx)) return;
 271
 272         state->creds_state = talloc(state, struct creds_CredentialState);
 273         if (composite_nomem(state->creds_state, state->ctx)) return;
 274
 275         mach_pwd = cli_credentials_get_nt_hash(state->wks_creds, state);
 276         if (composite_nomem(mach_pwd, state->ctx)) return;
 277
 278         state->negotiate_flags = NETLOGON_NEG_AUTH2_FLAGS;
 279
 280         creds_client_init(state->creds_state, state->r.in.credentials,
 281                           state->r.out.credentials, mach_pwd,
 282                           &state->netr_cred, state->negotiate_flags);
 283
 284         state->a.in.server_name =
 285                 talloc_reference(state, state->r.in.server_name);
 286         state->a.in.account_name =
 287                 cli_credentials_get_username(state->wks_creds);
 288         state->a.in.secure_channel_type =
 289                 cli_credentials_get_secure_channel_type(state->wks_creds);
 290         state->a.in.computer_name =
 291                 cli_credentials_get_workstation(state->wks_creds);
 292         state->a.in.negotiate_flags = &state->negotiate_flags;
 293         state->a.out.negotiate_flags = &state->negotiate_flags;
 294         state->a.in.credentials = &state->netr_cred;
 295         state->a.out.credentials = &state->netr_cred;
 296
 297         req = dcerpc_netr_ServerAuthenticate2_send(state->p, state, &state->a);
 298         composite_continue_rpc(state->ctx, req,
 299                                get_schannel_creds_recv_auth, state);
 300 }
 301
 302 static void get_schannel_creds_recv_auth(struct rpc_request *req)
 303 {
 304         struct get_schannel_creds_state *state =
 305                 talloc_get_type(req->async.private,
 306                                 struct get_schannel_creds_state);
 307
 308         state->ctx->status = dcerpc_ndr_request_recv(req);
 309         if (!NT_STATUS_IS_OK(state->ctx->status)) goto done;
 310         state->ctx->status = state->a.out.result;
 311         if (!NT_STATUS_IS_OK(state->ctx->status)) goto done;
 312
 313         if (!creds_client_check(state->creds_state,
 314                                 state->a.out.credentials)) {
 315                 DEBUG(5, ("Server got us invalid creds\n"));
 316                 state->ctx->status = NT_STATUS_UNSUCCESSFUL;
 317                 goto done;
 318         }
 319
 320         cli_credentials_set_netlogon_creds(state->wks_creds,
 321                                            state->creds_state);
 322
 323         state->ctx->state = COMPOSITE_STATE_DONE;
 324
 325  done:
 326         if (!NT_STATUS_IS_OK(state->ctx->status)) {
 327                 state->ctx->state = COMPOSITE_STATE_ERROR;
 328         }
 329         if ((state->ctx->state >= COMPOSITE_STATE_DONE) &&
 330             (state->ctx->async.fn != NULL)) {
 331                 state->ctx->async.fn(state->ctx);
 332         }
 333 }
 334
 335 NTSTATUS wb_get_schannel_creds_recv(struct composite_context *c,
 336                                     TALLOC_CTX *mem_ctx,
 337                                     struct dcerpc_pipe **netlogon_pipe)
 338 {
 339         NTSTATUS status = composite_wait(c);
 340         if (NT_STATUS_IS_OK(status)) {
 341                 struct get_schannel_creds_state *state =
 342                         talloc_get_type(c->private_data,
 343                                         struct get_schannel_creds_state);
 344                 *netlogon_pipe = talloc_steal(mem_ctx, state->p);
 345         }
 346         talloc_free(c);
 347         return status;
 348 }
 349
 350 NTSTATUS wb_get_schannel_creds(struct cli_credentials *wks_creds,
 351                                struct smbcli_tree *tree,
 352                                struct event_context *event_ctx,
 353                                TALLOC_CTX *mem_ctx,
 354                                struct dcerpc_pipe **netlogon_pipe)
 355 {
 356         struct composite_context *c =
 357                 wb_get_schannel_creds_send(wks_creds, tree, event_ctx);
 358         return wb_get_schannel_creds_recv(c, mem_ctx, netlogon_pipe);
 359 }
 360
 361 struct lsa_lookupnames_state {
 362         struct composite_context *ctx;
 363         uint32_t num_names;
 364         struct lsa_LookupNames r;
 365         struct lsa_TransSidArray sids;
 366         uint32_t count;
 367         struct wb_sid_object **result;
 368 };
 369
 370 static void lsa_lookupnames_recv_sids(struct rpc_request *req);
 371
 372 struct composite_context *wb_lsa_lookupnames_send(struct dcerpc_pipe *lsa_pipe,
 373                                                   struct policy_handle *handle,
 374                                                   int num_names,
 375                                                   const char **names)
 376 {
 377         struct composite_context *result;
 378         struct rpc_request *req;
 379         struct lsa_lookupnames_state *state;
 380
 381         struct lsa_String *lsa_names;
 382         int i;
 383
 384         result = talloc_zero(NULL, struct composite_context);
 385         if (result == NULL) goto failed;
 386         result->state = COMPOSITE_STATE_IN_PROGRESS;
 387         result->event_ctx = lsa_pipe->conn->event_ctx;
 388
 389         state = talloc(result, struct lsa_lookupnames_state);
 390         if (state == NULL) goto failed;
 391         result->private_data = state;
 392         state->ctx = result;
 393
 394         state->sids.count = 0;
 395         state->sids.sids = NULL;
 396         state->num_names = num_names;
 397         state->count = 0;
 398
 399         lsa_names = talloc_array(state, struct lsa_String, num_names);
 400         if (lsa_names == NULL) goto failed;
 401
 402         for (i=0; i<num_names; i++) {
 403                 lsa_names[i].string = names[i];
 404         }
 405
 406         state->r.in.handle = handle;
 407         state->r.in.num_names = num_names;
 408         state->r.in.names = lsa_names;
 409         state->r.in.sids = &state->sids;
 410         state->r.in.level = 1;
 411         state->r.in.count = &state->count;
 412         state->r.out.count = &state->count;
 413         state->r.out.sids = &state->sids;
 414
 415         req = dcerpc_lsa_LookupNames_send(lsa_pipe, state, &state->r);
 416         if (req == NULL) goto failed;
 417
 418         req->async.callback = lsa_lookupnames_recv_sids;
 419         req->async.private = state;
 420         return result;
 421
 422  failed:
 423         talloc_free(result);
 424         return NULL;
 425 }
 426
 427 static void lsa_lookupnames_recv_sids(struct rpc_request *req)
 428 {
 429         struct lsa_lookupnames_state *state =
 430                 talloc_get_type(req->async.private,
 431                                 struct lsa_lookupnames_state);
 432         int i;
 433
 434         state->ctx->status = dcerpc_ndr_request_recv(req);
 435         if (!composite_is_ok(state->ctx)) return;
 436         state->ctx->status = state->r.out.result;
 437         if (!NT_STATUS_IS_OK(state->ctx->status) &&
 438             !NT_STATUS_EQUAL(state->ctx->status, STATUS_SOME_UNMAPPED)) {
 439                 composite_error(state->ctx, state->ctx->status);
 440                 return;
 441         }
 442
 443         state->result = talloc_array(state, struct wb_sid_object *,
 444                                      state->num_names);
 445         if (composite_nomem(state->result, state->ctx)) return;
 446
 447         for (i=0; i<state->num_names; i++) {
 448                 struct lsa_TranslatedSid *sid = &state->r.out.sids->sids[i];
 449                 struct lsa_TrustInformation *dom;
 450
 451                 state->result[i] = talloc_zero(state->result,
 452                                                struct wb_sid_object);
 453                 if (composite_nomem(state->result[i], state->ctx)) return;
 454
 455                 state->result[i]->type = sid->sid_type;
 456                 if (state->result[i]->type == SID_NAME_UNKNOWN) {
 457                         continue;
 458                 }
 459
 460                 if (sid->sid_index >= state->r.out.domains->count) {
 461                         composite_error(state->ctx,
 462                                         NT_STATUS_INVALID_PARAMETER);
 463                         return;
 464                 }
 465
 466                 dom = &state->r.out.domains->domains[sid->sid_index];
 467
 468                 state->result[i]->sid = dom_sid_add_rid(state->result[i],
 469                                                         dom->sid, sid->rid);
 470         }
 471
 472         composite_done(state->ctx);
 473 }
 474
 475 NTSTATUS wb_lsa_lookupnames_recv(struct composite_context *c,
 476                                  TALLOC_CTX *mem_ctx,
 477                                  struct wb_sid_object ***sids)
 478 {
 479         NTSTATUS status = composite_wait(c);
 480         if (NT_STATUS_IS_OK(status)) {
 481                 struct lsa_lookupnames_state *state =
 482                         talloc_get_type(c->private_data,
 483                                         struct lsa_lookupnames_state);
 484                 *sids = talloc_steal(mem_ctx, state->result);
 485         }
 486         talloc_free(c);
 487         return status;
 488 }
 489
 490 NTSTATUS wb_lsa_lookupnames(struct dcerpc_pipe *lsa_pipe,
 491                             struct policy_handle *handle,
 492                             int num_names, const char **names,
 493                             TALLOC_CTX *mem_ctx,
 494                             struct wb_sid_object ***sids)
 495 {
 496         struct composite_context *c =
 497                 wb_lsa_lookupnames_send(lsa_pipe, handle, num_names, names);
 498         return wb_lsa_lookupnames_recv(c, mem_ctx, sids);
 499 }
 500
 501 struct cmd_lookupname_state {
 502         struct composite_context *ctx;
 503         struct wbsrv_call *call;
 504         struct wbsrv_domain *domain;
 505         const char *name;
 506         struct wb_sid_object *result;
 507 };
 508
 509 static void cmd_lookupname_recv_init(struct composite_context *ctx);
 510 static void cmd_lookupname_recv_sid(struct composite_context *ctx);
 511
 512 struct composite_context *wb_cmd_lookupname_send(struct wbsrv_call *call,
 513                                                  const char *name)
 514 {
 515         struct composite_context *result, *ctx;
 516         struct cmd_lookupname_state *state;
 517         struct wbsrv_service *service = call->wbconn->listen_socket->service;
 518
 519         result = talloc_zero(call, struct composite_context);
 520         if (result == NULL) goto failed;
 521         result->state = COMPOSITE_STATE_IN_PROGRESS;
 522         result->event_ctx = call->event_ctx;
 523
 524         state = talloc(result, struct cmd_lookupname_state);
 525         if (state == NULL) goto failed;
 526         state->ctx = result;
 527         result->private_data = state;
 528
 529         state->call = call;
 530         state->name = talloc_strdup(state, name);
 531
 532         state->domain = service->domains;
 533
 534         if (state->domain->initialized) {
 535                 ctx = wb_lsa_lookupnames_send(state->domain->lsa_pipe,
 536                                               state->domain->lsa_policy,
 537                                               1, &state->name);
 538                 if (ctx == NULL) goto failed;
 539                 ctx->async.fn = cmd_lookupname_recv_sid;
 540                 ctx->async.private_data = state;
 541                 return result;
 542         }
 543
 544         ctx = wb_init_domain_send(state->domain,
 545                                   result->event_ctx,
 546                                   call->wbconn->conn->msg_ctx);
 547         if (ctx == NULL) goto failed;
 548         ctx->async.fn = cmd_lookupname_recv_init;
 549         ctx->async.private_data = state;
 550         return result;
 551
 552  failed:
 553         talloc_free(result);
 554         return NULL;
 555 }
 556
 557 static void cmd_lookupname_recv_init(struct composite_context *ctx)
 558 {
 559         struct cmd_lookupname_state *state =
 560                 talloc_get_type(ctx->async.private_data,
 561                                 struct cmd_lookupname_state);
 562
 563         state->ctx->status = wb_init_domain_recv(ctx);
 564         if (!composite_is_ok(state->ctx)) return;
 565
 566         ctx = wb_lsa_lookupnames_send(state->domain->lsa_pipe,
 567                                       state->domain->lsa_policy,
 568                                       1, &state->name);
 569         composite_continue(state->ctx, ctx, cmd_lookupname_recv_sid, state);
 570 }
 571
 572 static void cmd_lookupname_recv_sid(struct composite_context *ctx)
 573 {
 574         struct cmd_lookupname_state *state =
 575                 talloc_get_type(ctx->async.private_data,
 576                                 struct cmd_lookupname_state);
 577         struct wb_sid_object **sids;
 578
 579         state->ctx->status = wb_lsa_lookupnames_recv(ctx, state, &sids);
 580         if (!composite_is_ok(state->ctx)) return;
 581         state->result = sids[0];
 582         composite_done(state->ctx);
 583 }
 584
 585 NTSTATUS wb_cmd_lookupname_recv(struct composite_context *c,
 586                                 TALLOC_CTX *mem_ctx,
 587                                 struct wb_sid_object **sid)
 588 {
 589         NTSTATUS status = composite_wait(c);
 590         if (NT_STATUS_IS_OK(status)) {
 591                 struct cmd_lookupname_state *state =
 592                         talloc_get_type(c->private_data,
 593                                         struct cmd_lookupname_state);
 594                 *sid = talloc_steal(mem_ctx, state->result);
 595         }
 596         talloc_free(c);
 597         return status;
 598 }
 599
 600 NTSTATUS wb_cmd_lookupname(struct wbsrv_call *call, const char *name,
 601                            TALLOC_CTX *mem_ctx, struct wb_sid_object **sid)
 602 {
 603         struct composite_context *c =
 604                 wb_cmd_lookupname_send(call, name);
 605         return wb_cmd_lookupname_recv(c, mem_ctx, sid);
 606 }
 607
 608 struct cmd_checkmachacc_state {
 609         struct composite_context *ctx;
 610         struct wbsrv_call *call;
 611         struct wbsrv_domain *domain;
 612 };
 613
 614 static void cmd_checkmachacc_recv_init(struct composite_context *ctx);
 615
 616 struct composite_context *wb_cmd_checkmachacc_send(struct wbsrv_call *call)
 617 {
 618         struct composite_context *result, *ctx;
 619         struct cmd_checkmachacc_state *state;
 620         struct wbsrv_service *service = call->wbconn->listen_socket->service;
 621
 622         result = talloc(call, struct composite_context);
 623         if (result == NULL) goto failed;
 624         result->state = COMPOSITE_STATE_IN_PROGRESS;
 625         result->event_ctx = call->event_ctx;
 626
 627         state = talloc(result, struct cmd_checkmachacc_state);
 628         if (state == NULL) goto failed;
 629         state->ctx = result;
 630         result->private_data = state;
 631         state->call = call;
 632
 633         state->domain = service->domains;
 634
 635         ctx = wb_init_domain_send(state->domain, result->event_ctx,
 636                                   call->wbconn->conn->msg_ctx);
 637         if (ctx == NULL) goto failed;
 638         ctx->async.fn = cmd_checkmachacc_recv_init;
 639         ctx->async.private_data = state;
 640
 641         return result;
 642
 643  failed:
 644         talloc_free(result);
 645         return NULL;
 646 }
 647
 648 static void cmd_checkmachacc_recv_init(struct composite_context *ctx)
 649 {
 650         struct cmd_checkmachacc_state *state =
 651                 talloc_get_type(ctx->async.private_data,
 652                                 struct cmd_checkmachacc_state);
 653
 654         state->ctx->status = wb_init_domain_recv(ctx);
 655         if (!composite_is_ok(state->ctx)) return;
 656
 657         composite_done(state->ctx);
 658 }
 659
 660 NTSTATUS wb_cmd_checkmachacc_recv(struct composite_context *c)
 661 {
 662         NTSTATUS status = composite_wait(c);
 663         talloc_free(c);
 664         return status;
 665 }
 666
 667 NTSTATUS wb_cmd_checkmachacc(struct wbsrv_call *call)
 668 {
 669         struct composite_context *c = wb_cmd_checkmachacc_send(call);
 670         return wb_cmd_checkmachacc_recv(c);
 671 }