source4/winbind/wb_samba3_cmd.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Main winbindd samba3 server routines
   4
   5    Copyright (C) Stefan Metzmacher      2005
   6    Copyright (C) Volker Lendecke        2005
   7    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   8    Copyright (C) Kai Blin               2009
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "includes.h"
  25 #include "winbind/wb_server.h"
  26 #include "winbind/wb_async_helpers.h"
  27 #include "param/param.h"
  28 #include "winbind/wb_helper.h"
  29 #include "libcli/composite/composite.h"
  30 #include "version.h"
  31 #include "librpc/gen_ndr/netlogon.h"
  32 #include "libcli/security/security.h"
  33 #include "auth/ntlm/pam_errors.h"
  34 #include "auth/credentials/credentials.h"
  35 #include "smbd/service_task.h"
  36
  37 /*
  38    Send off the reply to an async Samba3 query, handling filling in the PAM, NTSTATUS and string errors.
  39 */
  40
  41 static void wbsrv_samba3_async_auth_epilogue(NTSTATUS status,
  42                                              struct wbsrv_samba3_call *s3call)
  43 {
  44         struct winbindd_response *resp = &s3call->response;
  45         if (!NT_STATUS_IS_OK(status)) {
  46                 resp->result = WINBINDD_ERROR;
  47         } else {
  48                 resp->result = WINBINDD_OK;
  49         }
  50
  51         WBSRV_SAMBA3_SET_STRING(resp->data.auth.nt_status_string,
  52                                 nt_errstr(status));
  53         WBSRV_SAMBA3_SET_STRING(resp->data.auth.error_string,
  54                                 get_friendly_nt_error_msg(status));
  55
  56         resp->data.auth.pam_error = nt_status_to_pam(status);
  57         resp->data.auth.nt_status = NT_STATUS_V(status);
  58
  59         wbsrv_samba3_send_reply(s3call);
  60 }
  61
  62 /*
  63    Send of a generic reply to a Samba3 query
  64 */
  65
  66 static void wbsrv_samba3_async_epilogue(NTSTATUS status,
  67                                         struct wbsrv_samba3_call *s3call)
  68 {
  69         struct winbindd_response *resp = &s3call->response;
  70         if (NT_STATUS_IS_OK(status)) {
  71                 resp->result = WINBINDD_OK;
  72         } else {
  73                 resp->result = WINBINDD_ERROR;
  74         }
  75
  76         wbsrv_samba3_send_reply(s3call);
  77 }
  78
  79 /*
  80    Boilerplate commands, simple queries without network traffic
  81 */
  82
  83 NTSTATUS wbsrv_samba3_interface_version(struct wbsrv_samba3_call *s3call)
  84 {
  85         s3call->response.result                 = WINBINDD_OK;
  86         s3call->response.data.interface_version = WINBIND_INTERFACE_VERSION;
  87         return NT_STATUS_OK;
  88 }
  89
  90 NTSTATUS wbsrv_samba3_info(struct wbsrv_samba3_call *s3call)
  91 {
  92         s3call->response.result                 = WINBINDD_OK;
  93         s3call->response.data.info.winbind_separator = *lp_winbind_separator(s3call->wbconn->lp_ctx);
  94         WBSRV_SAMBA3_SET_STRING(s3call->response.data.info.samba_version,
  95                                 SAMBA_VERSION_STRING);
  96         return NT_STATUS_OK;
  97 }
  98
  99 NTSTATUS wbsrv_samba3_domain_name(struct wbsrv_samba3_call *s3call)
 100 {
 101         s3call->response.result                 = WINBINDD_OK;
 102         WBSRV_SAMBA3_SET_STRING(s3call->response.data.domain_name,
 103                                 lp_workgroup(s3call->wbconn->lp_ctx));
 104         return NT_STATUS_OK;
 105 }
 106
 107 NTSTATUS wbsrv_samba3_netbios_name(struct wbsrv_samba3_call *s3call)
 108 {
 109         s3call->response.result                 = WINBINDD_OK;
 110         WBSRV_SAMBA3_SET_STRING(s3call->response.data.netbios_name,
 111                                 lp_netbios_name(s3call->wbconn->lp_ctx));
 112         return NT_STATUS_OK;
 113 }
 114
 115 NTSTATUS wbsrv_samba3_priv_pipe_dir(struct wbsrv_samba3_call *s3call)
 116 {
 117         const char *path = s3call->wbconn->listen_socket->service->priv_socket_path;
 118         s3call->response.result          = WINBINDD_OK;
 119         s3call->response.extra_data.data = discard_const(path);
 120
 121         s3call->response.length += strlen(path) + 1;
 122         return NT_STATUS_OK;
 123 }
 124
 125 NTSTATUS wbsrv_samba3_ping(struct wbsrv_samba3_call *s3call)
 126 {
 127         s3call->response.result                 = WINBINDD_OK;
 128         return NT_STATUS_OK;
 129 }
 130
 131 /* Plaintext authentication
 132
 133    This interface is used by ntlm_auth in it's 'basic' authentication
 134    mode, as well as by pam_winbind to authenticate users where we are
 135    given a plaintext password.
 136 */
 137
 138 static void check_machacc_recv(struct composite_context *ctx);
 139
 140 NTSTATUS wbsrv_samba3_check_machacc(struct wbsrv_samba3_call *s3call)
 141 {
 142         NTSTATUS status;
 143         struct cli_credentials *creds;
 144         struct composite_context *ctx;
 145         struct wbsrv_service *service =
 146                 s3call->wbconn->listen_socket->service;
 147
 148         /* Create a credentials structure */
 149         creds = cli_credentials_init(s3call);
 150         if (creds == NULL) {
 151                 return NT_STATUS_NO_MEMORY;
 152         }
 153
 154         cli_credentials_set_conf(creds, service->task->lp_ctx);
 155
 156         /* Connect the machine account to the credentials */
 157         status = cli_credentials_set_machine_account(creds, service->task->lp_ctx);
 158         if (!NT_STATUS_IS_OK(status)) {
 159                 talloc_free(creds);
 160                 return status;
 161         }
 162
 163         ctx = wb_cmd_pam_auth_send(s3call, service, creds);
 164
 165         if (!ctx) {
 166                 talloc_free(creds);
 167                 return NT_STATUS_NO_MEMORY;
 168         }
 169
 170         ctx->async.fn = check_machacc_recv;
 171         ctx->async.private_data = s3call;
 172         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 173         return NT_STATUS_OK;
 174 }
 175
 176 static void check_machacc_recv(struct composite_context *ctx)
 177 {
 178         struct wbsrv_samba3_call *s3call =
 179                 talloc_get_type(ctx->async.private_data,
 180                                 struct wbsrv_samba3_call);
 181         NTSTATUS status;
 182
 183         status = wb_cmd_pam_auth_recv(ctx);
 184
 185         if (!NT_STATUS_IS_OK(status)) goto done;
 186
 187  done:
 188         wbsrv_samba3_async_auth_epilogue(status, s3call);
 189 }
 190
 191 /*
 192   Find the name of a suitable domain controller, by query on the
 193   netlogon pipe to the DC.
 194 */
 195
 196 static void getdcname_recv_dc(struct composite_context *ctx);
 197
 198 NTSTATUS wbsrv_samba3_getdcname(struct wbsrv_samba3_call *s3call)
 199 {
 200         struct composite_context *ctx;
 201         struct wbsrv_service *service =
 202                 s3call->wbconn->listen_socket->service;
 203
 204         DEBUG(5, ("wbsrv_samba3_getdcname called\n"));
 205
 206         ctx = wb_cmd_getdcname_send(s3call, service,
 207                                     s3call->request.domain_name);
 208         NT_STATUS_HAVE_NO_MEMORY(ctx);
 209
 210         ctx->async.fn = getdcname_recv_dc;
 211         ctx->async.private_data = s3call;
 212         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 213         return NT_STATUS_OK;
 214 }
 215
 216 static void getdcname_recv_dc(struct composite_context *ctx)
 217 {
 218         struct wbsrv_samba3_call *s3call =
 219                 talloc_get_type(ctx->async.private_data,
 220                                 struct wbsrv_samba3_call);
 221         const char *dcname;
 222         NTSTATUS status;
 223
 224         status = wb_cmd_getdcname_recv(ctx, s3call, &dcname);
 225         if (!NT_STATUS_IS_OK(status)) goto done;
 226
 227         s3call->response.result = WINBINDD_OK;
 228         WBSRV_SAMBA3_SET_STRING(s3call->response.data.dc_name, dcname);
 229
 230  done:
 231         wbsrv_samba3_async_epilogue(status, s3call);
 232 }
 233
 234 /*
 235    Lookup a user's domain groups
 236 */
 237
 238 static void userdomgroups_recv_groups(struct composite_context *ctx);
 239
 240 NTSTATUS wbsrv_samba3_userdomgroups(struct wbsrv_samba3_call *s3call)
 241 {
 242         struct composite_context *ctx;
 243         struct dom_sid *sid;
 244
 245         DEBUG(5, ("wbsrv_samba3_userdomgroups called\n"));
 246
 247         sid = dom_sid_parse_talloc(s3call, s3call->request.data.sid);
 248         if (sid == NULL) {
 249                 DEBUG(5, ("Could not parse sid %s\n",
 250                           s3call->request.data.sid));
 251                 return NT_STATUS_NO_MEMORY;
 252         }
 253
 254         ctx = wb_cmd_userdomgroups_send(
 255                 s3call, s3call->wbconn->listen_socket->service, sid);
 256         NT_STATUS_HAVE_NO_MEMORY(ctx);
 257
 258         ctx->async.fn = userdomgroups_recv_groups;
 259         ctx->async.private_data = s3call;
 260         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 261         return NT_STATUS_OK;
 262 }
 263
 264 static void userdomgroups_recv_groups(struct composite_context *ctx)
 265 {
 266         struct wbsrv_samba3_call *s3call =
 267                 talloc_get_type(ctx->async.private_data,
 268                                 struct wbsrv_samba3_call);
 269         int i, num_sids;
 270         struct dom_sid **sids;
 271         char *sids_string;
 272         NTSTATUS status;
 273
 274         status = wb_cmd_userdomgroups_recv(ctx, s3call, &num_sids, &sids);
 275         if (!NT_STATUS_IS_OK(status)) goto done;
 276
 277         sids_string = talloc_strdup(s3call, "");
 278         if (sids_string == NULL) {
 279                 status = NT_STATUS_NO_MEMORY;
 280                 goto done;
 281         }
 282
 283         for (i=0; i<num_sids; i++) {
 284                 sids_string = talloc_asprintf_append_buffer(
 285                         sids_string, "%s\n", dom_sid_string(s3call, sids[i]));
 286         }
 287
 288         if (sids_string == NULL) {
 289                 status = NT_STATUS_NO_MEMORY;
 290                 goto done;
 291         }
 292
 293         s3call->response.result = WINBINDD_OK;
 294         s3call->response.extra_data.data = sids_string;
 295         s3call->response.length += strlen(sids_string)+1;
 296         s3call->response.data.num_entries = num_sids;
 297
 298  done:
 299         wbsrv_samba3_async_epilogue(status, s3call);
 300 }
 301
 302 /*
 303    Lookup the list of SIDs for a user
 304 */
 305 static void usersids_recv_sids(struct composite_context *ctx);
 306
 307 NTSTATUS wbsrv_samba3_usersids(struct wbsrv_samba3_call *s3call)
 308 {
 309         struct composite_context *ctx;
 310         struct dom_sid *sid;
 311
 312         DEBUG(5, ("wbsrv_samba3_usersids called\n"));
 313
 314         sid = dom_sid_parse_talloc(s3call, s3call->request.data.sid);
 315         if (sid == NULL) {
 316                 DEBUG(5, ("Could not parse sid %s\n",
 317                           s3call->request.data.sid));
 318                 return NT_STATUS_NO_MEMORY;
 319         }
 320
 321         ctx = wb_cmd_usersids_send(
 322                 s3call, s3call->wbconn->listen_socket->service, sid);
 323         NT_STATUS_HAVE_NO_MEMORY(ctx);
 324
 325         ctx->async.fn = usersids_recv_sids;
 326         ctx->async.private_data = s3call;
 327         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 328         return NT_STATUS_OK;
 329 }
 330
 331 static void usersids_recv_sids(struct composite_context *ctx)
 332 {
 333         struct wbsrv_samba3_call *s3call =
 334                 talloc_get_type(ctx->async.private_data,
 335                                 struct wbsrv_samba3_call);
 336         int i, num_sids;
 337         struct dom_sid **sids;
 338         char *sids_string;
 339         NTSTATUS status;
 340
 341         status = wb_cmd_usersids_recv(ctx, s3call, &num_sids, &sids);
 342         if (!NT_STATUS_IS_OK(status)) goto done;
 343
 344         sids_string = talloc_strdup(s3call, "");
 345         if (sids_string == NULL) {
 346                 status = NT_STATUS_NO_MEMORY;
 347                 goto done;
 348         }
 349
 350         for (i=0; i<num_sids; i++) {
 351                 sids_string = talloc_asprintf_append_buffer(
 352                         sids_string, "%s\n", dom_sid_string(s3call, sids[i]));
 353                 if (sids_string == NULL) {
 354                         status = NT_STATUS_NO_MEMORY;
 355                         goto done;
 356                 }
 357         }
 358
 359         s3call->response.result = WINBINDD_OK;
 360         s3call->response.extra_data.data = sids_string;
 361         s3call->response.length += strlen(sids_string);
 362         s3call->response.data.num_entries = num_sids;
 363
 364         /* Hmmmm. Nasty protocol -- who invented the zeros between the
 365          * SIDs? Hmmm. Could have been me -- vl */
 366
 367         while (*sids_string != '\0') {
 368                 if ((*sids_string) == '\n') {
 369                         *sids_string = '\0';
 370                 }
 371                 sids_string += 1;
 372         }
 373
 374  done:
 375         wbsrv_samba3_async_epilogue(status, s3call);
 376 }
 377
 378 /*
 379    Lookup a DOMAIN\\user style name, and return a SID
 380 */
 381
 382 static void lookupname_recv_sid(struct composite_context *ctx);
 383
 384 NTSTATUS wbsrv_samba3_lookupname(struct wbsrv_samba3_call *s3call)
 385 {
 386         struct composite_context *ctx;
 387         struct wbsrv_service *service =
 388                 s3call->wbconn->listen_socket->service;
 389
 390         DEBUG(5, ("wbsrv_samba3_lookupname called\n"));
 391
 392         ctx = wb_cmd_lookupname_send(s3call, service,
 393                                      s3call->request.data.name.dom_name,
 394                                      s3call->request.data.name.name);
 395         NT_STATUS_HAVE_NO_MEMORY(ctx);
 396
 397         /* setup the callbacks */
 398         ctx->async.fn = lookupname_recv_sid;
 399         ctx->async.private_data = s3call;
 400         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 401         return NT_STATUS_OK;
 402 }
 403
 404 static void lookupname_recv_sid(struct composite_context *ctx)
 405 {
 406         struct wbsrv_samba3_call *s3call =
 407                 talloc_get_type(ctx->async.private_data,
 408                                 struct wbsrv_samba3_call);
 409         struct wb_sid_object *sid;
 410         NTSTATUS status;
 411
 412         status = wb_cmd_lookupname_recv(ctx, s3call, &sid);
 413         if (!NT_STATUS_IS_OK(status)) goto done;
 414
 415         s3call->response.result = WINBINDD_OK;
 416         s3call->response.data.sid.type = sid->type;
 417         WBSRV_SAMBA3_SET_STRING(s3call->response.data.sid.sid,
 418                                 dom_sid_string(s3call, sid->sid));
 419
 420  done:
 421         wbsrv_samba3_async_epilogue(status, s3call);
 422 }
 423
 424 /*
 425    Lookup a SID, and return a DOMAIN\\user style name
 426 */
 427
 428 static void lookupsid_recv_name(struct composite_context *ctx);
 429
 430 NTSTATUS wbsrv_samba3_lookupsid(struct wbsrv_samba3_call *s3call)
 431 {
 432         struct composite_context *ctx;
 433         struct wbsrv_service *service =
 434                 s3call->wbconn->listen_socket->service;
 435         struct dom_sid *sid;
 436
 437         DEBUG(5, ("wbsrv_samba3_lookupsid called\n"));
 438
 439         sid = dom_sid_parse_talloc(s3call, s3call->request.data.sid);
 440         if (sid == NULL) {
 441                 DEBUG(5, ("Could not parse sid %s\n",
 442                           s3call->request.data.sid));
 443                 return NT_STATUS_NO_MEMORY;
 444         }
 445
 446         ctx = wb_cmd_lookupsid_send(s3call, service, sid);
 447         NT_STATUS_HAVE_NO_MEMORY(ctx);
 448
 449         /* setup the callbacks */
 450         ctx->async.fn = lookupsid_recv_name;
 451         ctx->async.private_data = s3call;
 452         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 453         return NT_STATUS_OK;
 454 }
 455
 456 static void lookupsid_recv_name(struct composite_context *ctx)
 457 {
 458         struct wbsrv_samba3_call *s3call =
 459                 talloc_get_type(ctx->async.private_data,
 460                                 struct wbsrv_samba3_call);
 461         struct wb_sid_object *sid;
 462         NTSTATUS status;
 463
 464         status = wb_cmd_lookupsid_recv(ctx, s3call, &sid);
 465         if (!NT_STATUS_IS_OK(status)) goto done;
 466
 467         s3call->response.result = WINBINDD_OK;
 468         s3call->response.data.name.type = sid->type;
 469         WBSRV_SAMBA3_SET_STRING(s3call->response.data.name.dom_name,
 470                                 sid->domain);
 471         WBSRV_SAMBA3_SET_STRING(s3call->response.data.name.name, sid->name);
 472
 473  done:
 474         wbsrv_samba3_async_epilogue(status, s3call);
 475 }
 476
 477 /*
 478   Challenge-response authentication.  This interface is used by
 479   ntlm_auth and the smbd auth subsystem to pass NTLM authentication
 480   requests along a common pipe to the domain controller.
 481
 482   The return value (in the async reply) may include the 'info3'
 483   (effectivly most things you would want to know about the user), or
 484   the NT and LM session keys seperated.
 485 */
 486
 487 static void pam_auth_crap_recv(struct composite_context *ctx);
 488
 489 NTSTATUS wbsrv_samba3_pam_auth_crap(struct wbsrv_samba3_call *s3call)
 490 {
 491         struct composite_context *ctx;
 492         struct wbsrv_service *service =
 493                 s3call->wbconn->listen_socket->service;
 494         DATA_BLOB chal, nt_resp, lm_resp;
 495
 496         DEBUG(5, ("wbsrv_samba3_pam_auth_crap called\n"));
 497
 498         chal.data       = s3call->request.data.auth_crap.chal;
 499         chal.length     = sizeof(s3call->request.data.auth_crap.chal);
 500         nt_resp.data    = (uint8_t *)s3call->request.data.auth_crap.nt_resp;
 501         nt_resp.length  = s3call->request.data.auth_crap.nt_resp_len;
 502         lm_resp.data    = (uint8_t *)s3call->request.data.auth_crap.lm_resp;
 503         lm_resp.length  = s3call->request.data.auth_crap.lm_resp_len;
 504
 505         ctx = wb_cmd_pam_auth_crap_send(
 506                 s3call, service,
 507                 s3call->request.data.auth_crap.logon_parameters,
 508                 s3call->request.data.auth_crap.domain,
 509                 s3call->request.data.auth_crap.user,
 510                 s3call->request.data.auth_crap.workstation,
 511                 chal, nt_resp, lm_resp);
 512         NT_STATUS_HAVE_NO_MEMORY(ctx);
 513
 514         ctx->async.fn = pam_auth_crap_recv;
 515         ctx->async.private_data = s3call;
 516         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 517         return NT_STATUS_OK;
 518 }
 519
 520 static void pam_auth_crap_recv(struct composite_context *ctx)
 521 {
 522         struct wbsrv_samba3_call *s3call =
 523                 talloc_get_type(ctx->async.private_data,
 524                                 struct wbsrv_samba3_call);
 525         NTSTATUS status;
 526         DATA_BLOB info3;
 527         struct netr_UserSessionKey user_session_key;
 528         struct netr_LMSessionKey lm_key;
 529         char *unix_username;
 530
 531         status = wb_cmd_pam_auth_crap_recv(ctx, s3call, &info3,
 532                                            &user_session_key, &lm_key, &unix_username);
 533         if (!NT_STATUS_IS_OK(status)) goto done;
 534
 535         if (s3call->request.flags & WBFLAG_PAM_USER_SESSION_KEY) {
 536                 memcpy(s3call->response.data.auth.user_session_key,
 537                        &user_session_key.key,
 538                        sizeof(s3call->response.data.auth.user_session_key));
 539         }
 540
 541         if (s3call->request.flags & WBFLAG_PAM_INFO3_NDR) {
 542                 s3call->response.extra_data.data = info3.data;
 543                 s3call->response.length += info3.length;
 544         }
 545
 546         if (s3call->request.flags & WBFLAG_PAM_LMKEY) {
 547                 memcpy(s3call->response.data.auth.first_8_lm_hash,
 548                        lm_key.key,
 549                        sizeof(s3call->response.data.auth.first_8_lm_hash));
 550         }
 551
 552         if (s3call->request.flags & WBFLAG_PAM_UNIX_NAME) {
 553                 s3call->response.extra_data.data = unix_username;
 554                 s3call->response.length += strlen(unix_username)+1;
 555         }
 556
 557  done:
 558         wbsrv_samba3_async_auth_epilogue(status, s3call);
 559 }
 560
 561 /* Plaintext authentication
 562
 563    This interface is used by ntlm_auth in it's 'basic' authentication
 564    mode, as well as by pam_winbind to authenticate users where we are
 565    given a plaintext password.
 566 */
 567
 568 static void pam_auth_recv(struct composite_context *ctx);
 569
 570 NTSTATUS wbsrv_samba3_pam_auth(struct wbsrv_samba3_call *s3call)
 571 {
 572         struct composite_context *ctx;
 573         struct wbsrv_service *service =
 574                 s3call->wbconn->listen_socket->service;
 575         struct cli_credentials *credentials;
 576         char *user, *domain;
 577
 578         if (!wb_samba3_split_username(s3call, s3call->wbconn->lp_ctx,
 579                                  s3call->request.data.auth.user,
 580                                  &domain, &user)) {
 581                 return NT_STATUS_NO_SUCH_USER;
 582         }
 583
 584         credentials = cli_credentials_init(s3call);
 585         if (!credentials) {
 586                 return NT_STATUS_NO_MEMORY;
 587         }
 588         cli_credentials_set_conf(credentials, service->task->lp_ctx);
 589         cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
 590         cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
 591
 592         cli_credentials_set_password(credentials, s3call->request.data.auth.pass, CRED_SPECIFIED);
 593
 594         ctx = wb_cmd_pam_auth_send(s3call, service, credentials);
 595         NT_STATUS_HAVE_NO_MEMORY(ctx);
 596
 597         ctx->async.fn = pam_auth_recv;
 598         ctx->async.private_data = s3call;
 599         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 600         return NT_STATUS_OK;
 601 }
 602
 603 static void pam_auth_recv(struct composite_context *ctx)
 604 {
 605         struct wbsrv_samba3_call *s3call =
 606                 talloc_get_type(ctx->async.private_data,
 607                                 struct wbsrv_samba3_call);
 608         NTSTATUS status;
 609
 610         status = wb_cmd_pam_auth_recv(ctx);
 611
 612         if (!NT_STATUS_IS_OK(status)) goto done;
 613
 614  done:
 615         wbsrv_samba3_async_auth_epilogue(status, s3call);
 616 }
 617
 618 /*
 619    List trusted domains
 620 */
 621
 622 static void list_trustdom_recv_doms(struct composite_context *ctx);
 623
 624 NTSTATUS wbsrv_samba3_list_trustdom(struct wbsrv_samba3_call *s3call)
 625 {
 626         struct composite_context *ctx;
 627         struct wbsrv_service *service =
 628                 s3call->wbconn->listen_socket->service;
 629
 630         DEBUG(5, ("wbsrv_samba3_list_trustdom called\n"));
 631
 632         ctx = wb_cmd_list_trustdoms_send(s3call, service);
 633         NT_STATUS_HAVE_NO_MEMORY(ctx);
 634
 635         ctx->async.fn = list_trustdom_recv_doms;
 636         ctx->async.private_data = s3call;
 637         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 638         return NT_STATUS_OK;
 639 }
 640
 641 static void list_trustdom_recv_doms(struct composite_context *ctx)
 642 {
 643         struct wbsrv_samba3_call *s3call =
 644                 talloc_get_type(ctx->async.private_data,
 645                                 struct wbsrv_samba3_call);
 646         int i, num_domains;
 647         struct wb_dom_info **domains;
 648         NTSTATUS status;
 649         char *result;
 650
 651         status = wb_cmd_list_trustdoms_recv(ctx, s3call, &num_domains,
 652                                             &domains);
 653         if (!NT_STATUS_IS_OK(status)) goto done;
 654
 655         result = talloc_strdup(s3call, "");
 656         if (result == NULL) {
 657                 status = NT_STATUS_NO_MEMORY;
 658                 goto done;
 659         }
 660
 661         for (i=0; i<num_domains; i++) {
 662                 result = talloc_asprintf_append_buffer(
 663                         result, "%s\\%s\\%s",
 664                         domains[i]->name, domains[i]->name,
 665                         dom_sid_string(s3call, domains[i]->sid));
 666         }
 667
 668         if (result == NULL) {
 669                 status = NT_STATUS_NO_MEMORY;
 670                 goto done;
 671         }
 672
 673         s3call->response.result = WINBINDD_OK;
 674         if (num_domains > 0) {
 675                 s3call->response.extra_data.data = result;
 676                 s3call->response.length += strlen(result)+1;
 677         }
 678
 679  done:
 680         wbsrv_samba3_async_epilogue(status, s3call);
 681 }
 682
 683 /* list groups */
 684 static void list_groups_recv(struct composite_context *ctx);
 685
 686 NTSTATUS wbsrv_samba3_list_groups(struct wbsrv_samba3_call *s3call)
 687 {
 688         struct composite_context *ctx;
 689         struct wbsrv_service *service = s3call->wbconn->listen_socket->service;
 690
 691         DEBUG(5, ("wbsrv_samba4_list_groups called\n"));
 692
 693         ctx = wb_cmd_list_groups_send(s3call, service,
 694                                       s3call->request.domain_name);
 695         NT_STATUS_HAVE_NO_MEMORY(ctx);
 696
 697         ctx->async.fn = list_groups_recv;
 698         ctx->async.private_data = s3call;
 699         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 700         return NT_STATUS_OK;
 701 }
 702
 703 static void list_groups_recv(struct composite_context *ctx)
 704 {
 705         struct wbsrv_samba3_call *s3call = talloc_get_type_abort(
 706                                                 ctx->async.private_data,
 707                                                 struct wbsrv_samba3_call);
 708         uint32_t extra_data_len;
 709         char *extra_data;
 710         NTSTATUS status;
 711
 712         DEBUG(5, ("list_groups_recv called\n"));
 713
 714         status = wb_cmd_list_groups_recv(ctx, s3call, &extra_data_len,
 715                         &extra_data);
 716
 717         if (NT_STATUS_IS_OK(status)) {
 718                 s3call->response.extra_data.data = extra_data;
 719                 s3call->response.length += extra_data_len;
 720                 if (extra_data) {
 721                         s3call->response.length += 1;
 722                 }
 723         }
 724
 725         wbsrv_samba3_async_epilogue(status, s3call);
 726 }
 727
 728 /* List users */
 729
 730 static void list_users_recv(struct composite_context *ctx);
 731
 732 NTSTATUS wbsrv_samba3_list_users(struct wbsrv_samba3_call *s3call)
 733 {
 734         struct composite_context *ctx;
 735         struct wbsrv_service *service =
 736                 s3call->wbconn->listen_socket->service;
 737
 738         DEBUG(5, ("wbsrv_samba3_list_users called\n"));
 739
 740         ctx = wb_cmd_list_users_send(s3call, service,
 741                         s3call->request.domain_name);
 742         NT_STATUS_HAVE_NO_MEMORY(ctx);
 743
 744         ctx->async.fn = list_users_recv;
 745         ctx->async.private_data = s3call;
 746         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 747         return NT_STATUS_OK;
 748 }
 749
 750 static void list_users_recv(struct composite_context *ctx)
 751 {
 752         struct wbsrv_samba3_call *s3call =
 753                 talloc_get_type(ctx->async.private_data,
 754                                 struct wbsrv_samba3_call);
 755         uint32_t extra_data_len;
 756         char *extra_data;
 757         NTSTATUS status;
 758
 759         DEBUG(5, ("list_users_recv called\n"));
 760
 761         status = wb_cmd_list_users_recv(ctx, s3call, &extra_data_len,
 762                         &extra_data);
 763
 764         if (NT_STATUS_IS_OK(status)) {
 765                 s3call->response.extra_data.data = extra_data;
 766                 s3call->response.length += extra_data_len;
 767                 if (extra_data) {
 768                         s3call->response.length += 1;
 769                 }
 770         }
 771
 772         wbsrv_samba3_async_epilogue(status, s3call);
 773 }
 774
 775 /* NSS calls */
 776
 777 static void getpwnam_recv(struct composite_context *ctx);
 778
 779 NTSTATUS wbsrv_samba3_getpwnam(struct wbsrv_samba3_call *s3call)
 780 {
 781         struct composite_context *ctx;
 782         struct wbsrv_service *service =
 783                 s3call->wbconn->listen_socket->service;
 784
 785         DEBUG(5, ("wbsrv_samba3_getpwnam called\n"));
 786
 787         ctx = wb_cmd_getpwnam_send(s3call, service,
 788                         s3call->request.data.username);
 789         NT_STATUS_HAVE_NO_MEMORY(ctx);
 790
 791         ctx->async.fn = getpwnam_recv;
 792         ctx->async.private_data = s3call;
 793         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 794         return NT_STATUS_OK;
 795 }
 796
 797 static void getpwnam_recv(struct composite_context *ctx)
 798 {
 799         struct wbsrv_samba3_call *s3call =
 800                 talloc_get_type(ctx->async.private_data,
 801                                 struct wbsrv_samba3_call);
 802         NTSTATUS status;
 803         struct winbindd_pw *pw;
 804
 805         DEBUG(5, ("getpwnam_recv called\n"));
 806
 807         status = wb_cmd_getpwnam_recv(ctx, s3call, &pw);
 808         if(NT_STATUS_IS_OK(status))
 809                 s3call->response.data.pw = *pw;
 810
 811         wbsrv_samba3_async_epilogue(status, s3call);
 812 }
 813
 814 static void getpwuid_recv(struct composite_context *ctx);
 815
 816 NTSTATUS wbsrv_samba3_getpwuid(struct wbsrv_samba3_call *s3call)
 817 {
 818         struct composite_context *ctx;
 819         struct wbsrv_service *service = s3call->wbconn->listen_socket->service;
 820
 821         DEBUG(5, ("wbsrv_samba3_getpwuid called\n"));
 822
 823         ctx = wb_cmd_getpwuid_send(s3call, service,
 824                         s3call->request.data.uid);
 825         NT_STATUS_HAVE_NO_MEMORY(ctx);
 826
 827         ctx->async.fn = getpwuid_recv;
 828         ctx->async.private_data = s3call;
 829         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 830         return NT_STATUS_OK;
 831 }
 832
 833 static void getpwuid_recv(struct composite_context *ctx)
 834 {
 835         struct wbsrv_samba3_call *s3call =
 836                 talloc_get_type(ctx->async.private_data,
 837                                 struct wbsrv_samba3_call);
 838         NTSTATUS status;
 839         struct winbindd_pw *pw;
 840
 841         DEBUG(5, ("getpwuid_recv called\n"));
 842
 843         status = wb_cmd_getpwuid_recv(ctx, s3call, &pw);
 844         if (NT_STATUS_IS_OK(status))
 845                 s3call->response.data.pw = *pw;
 846
 847         wbsrv_samba3_async_epilogue(status, s3call);
 848 }
 849
 850 static void setpwent_recv(struct composite_context *ctx);
 851
 852 NTSTATUS wbsrv_samba3_setpwent(struct wbsrv_samba3_call *s3call)
 853 {
 854         struct composite_context *ctx;
 855         struct wbsrv_service *service = s3call->wbconn->listen_socket->service;
 856
 857         DEBUG(5, ("wbsrv_samba3_setpwent called\n"));
 858
 859         ctx = wb_cmd_setpwent_send(s3call, service);
 860         NT_STATUS_HAVE_NO_MEMORY(ctx);
 861
 862         ctx->async.fn = setpwent_recv;
 863         ctx->async.private_data = s3call;
 864         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 865         return NT_STATUS_OK;
 866 }
 867
 868 static void setpwent_recv(struct composite_context *ctx)
 869 {
 870         struct wbsrv_samba3_call *s3call =
 871                 talloc_get_type(ctx->async.private_data,
 872                                 struct wbsrv_samba3_call);
 873         NTSTATUS status;
 874         struct wbsrv_pwent *pwent;
 875
 876         DEBUG(5, ("setpwent_recv called\n"));
 877
 878         status = wb_cmd_setpwent_recv(ctx, s3call->wbconn, &pwent);
 879         if (NT_STATUS_IS_OK(status)) {
 880                 s3call->wbconn->protocol_private_data = pwent;
 881         }
 882
 883         wbsrv_samba3_async_epilogue(status, s3call);
 884 }
 885
 886 static void getpwent_recv(struct composite_context *ctx);
 887
 888 NTSTATUS wbsrv_samba3_getpwent(struct wbsrv_samba3_call *s3call)
 889 {
 890         struct composite_context *ctx;
 891         struct wbsrv_service *service = s3call->wbconn->listen_socket->service;
 892         struct wbsrv_pwent *pwent;
 893
 894         DEBUG(5, ("wbsrv_samba3_getpwent called\n"));
 895
 896         NT_STATUS_HAVE_NO_MEMORY(s3call->wbconn->protocol_private_data);
 897
 898         pwent = talloc_get_type(s3call->wbconn->protocol_private_data,
 899                         struct wbsrv_pwent);
 900         NT_STATUS_HAVE_NO_MEMORY(pwent);
 901
 902         ctx = wb_cmd_getpwent_send(s3call, service, pwent,
 903                         s3call->request.data.num_entries);
 904         NT_STATUS_HAVE_NO_MEMORY(ctx);
 905
 906         ctx->async.fn = getpwent_recv;
 907         ctx->async.private_data = s3call;
 908         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 909         return NT_STATUS_OK;
 910 }
 911
 912 static void getpwent_recv(struct composite_context *ctx)
 913 {
 914         struct wbsrv_samba3_call *s3call =
 915                 talloc_get_type(ctx->async.private_data,
 916                                 struct wbsrv_samba3_call);
 917         NTSTATUS status;
 918         struct winbindd_pw *pw;
 919         uint32_t num_users;
 920
 921         DEBUG(5, ("getpwent_recv called\n"));
 922
 923         status = wb_cmd_getpwent_recv(ctx, s3call, &pw, &num_users);
 924         if (NT_STATUS_IS_OK(status)) {
 925                 uint32_t extra_len = sizeof(struct winbindd_pw) * num_users;
 926
 927                 s3call->response.data.num_entries = num_users;
 928                 s3call->response.extra_data.data = pw;
 929                 s3call->response.length += extra_len;
 930         }
 931
 932         wbsrv_samba3_async_epilogue(status, s3call);
 933 }
 934
 935 NTSTATUS wbsrv_samba3_endpwent(struct wbsrv_samba3_call *s3call)
 936 {
 937         struct wbsrv_pwent *pwent =
 938                 talloc_get_type(s3call->wbconn->protocol_private_data,
 939                                 struct wbsrv_pwent);
 940         DEBUG(5, ("wbsrv_samba3_endpwent called\n"));
 941
 942         talloc_free(pwent);
 943
 944         s3call->wbconn->protocol_private_data = NULL;
 945         s3call->response.result = WINBINDD_OK;
 946         return NT_STATUS_OK;
 947 }
 948
 949
 950 static void getgrnam_recv(struct composite_context *ctx);
 951
 952 NTSTATUS wbsrv_samba3_getgrnam(struct wbsrv_samba3_call *s3call)
 953 {
 954         struct composite_context *ctx;
 955         struct wbsrv_service *service =
 956                 s3call->wbconn->listen_socket->service;
 957
 958         DEBUG(5, ("wbsrv_samba3_getgrnam called\n"));
 959
 960         ctx = wb_cmd_getgrnam_send(s3call, service,
 961                         s3call->request.data.groupname);
 962         NT_STATUS_HAVE_NO_MEMORY(ctx);
 963
 964         ctx->async.fn = getgrnam_recv;
 965         ctx->async.private_data = s3call;
 966         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
 967         return NT_STATUS_OK;
 968 }
 969
 970 static void getgrnam_recv(struct composite_context *ctx)
 971 {
 972         struct wbsrv_samba3_call *s3call =
 973                 talloc_get_type(ctx->async.private_data,
 974                                 struct wbsrv_samba3_call);
 975         NTSTATUS status;
 976         struct winbindd_gr *gr;
 977
 978         DEBUG(5, ("getgrnam_recv called\n"));
 979
 980         status = wb_cmd_getgrnam_recv(ctx, s3call, &gr);
 981         if(NT_STATUS_IS_OK(status))
 982                 s3call->response.data.gr = *gr;
 983
 984         wbsrv_samba3_async_epilogue(status, s3call);
 985 }
 986
 987 static void getgrgid_recv(struct composite_context *ctx);
 988
 989 NTSTATUS wbsrv_samba3_getgrgid(struct wbsrv_samba3_call *s3call)
 990 {
 991         struct composite_context *ctx;
 992         struct wbsrv_service *service = s3call->wbconn->listen_socket->service;
 993
 994         DEBUG(5, ("wbsrv_samba3_getgrgid called\n"));
 995
 996         ctx = wb_cmd_getgrgid_send(s3call, service,
 997                         s3call->request.data.gid);
 998         NT_STATUS_HAVE_NO_MEMORY(ctx);
 999
1000         ctx->async.fn = getgrgid_recv;
1001         ctx->async.private_data = s3call;
1002         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
1003         return NT_STATUS_OK;
1004 }
1005
1006 static void getgrgid_recv(struct composite_context *ctx)
1007 {
1008         struct wbsrv_samba3_call *s3call =
1009                 talloc_get_type(ctx->async.private_data,
1010                                 struct wbsrv_samba3_call);
1011         NTSTATUS status;
1012         struct winbindd_gr *gr;
1013
1014         DEBUG(5, ("getgrgid_recv called\n"));
1015
1016         status = wb_cmd_getgrgid_recv(ctx, s3call, &gr);
1017         if (NT_STATUS_IS_OK(status))
1018                 s3call->response.data.gr = *gr;
1019
1020         wbsrv_samba3_async_epilogue(status, s3call);
1021 }
1022
1023 NTSTATUS wbsrv_samba3_getgroups(struct wbsrv_samba3_call *s3call)
1024 {
1025         DEBUG(5, ("wbsrv_samba3_getgroups called\n"));
1026         s3call->response.result = WINBINDD_ERROR;
1027         return NT_STATUS_OK;
1028 }
1029
1030 NTSTATUS wbsrv_samba3_setgrent(struct wbsrv_samba3_call *s3call)
1031 {
1032         DEBUG(5, ("wbsrv_samba3_setgrent called\n"));
1033         s3call->response.result = WINBINDD_OK;
1034         return NT_STATUS_OK;
1035 }
1036
1037 NTSTATUS wbsrv_samba3_getgrent(struct wbsrv_samba3_call *s3call)
1038 {
1039         DEBUG(5, ("wbsrv_samba3_getgrent called\n"));
1040         s3call->response.result = WINBINDD_ERROR;
1041         return NT_STATUS_OK;
1042 }
1043
1044 NTSTATUS wbsrv_samba3_endgrent(struct wbsrv_samba3_call *s3call)
1045 {
1046         DEBUG(5, ("wbsrv_samba3_endgrent called\n"));
1047         s3call->response.result = WINBINDD_OK;
1048         return NT_STATUS_OK;
1049 }
1050
1051 static void sid2uid_recv(struct composite_context *ctx);
1052
1053 NTSTATUS wbsrv_samba3_sid2uid(struct wbsrv_samba3_call *s3call)
1054 {
1055         struct composite_context *ctx;
1056         struct wbsrv_service *service =
1057                 s3call->wbconn->listen_socket->service;
1058         struct dom_sid *sid;
1059
1060         DEBUG(5, ("wbsrv_samba3_sid2uid called\n"));
1061
1062         sid = dom_sid_parse_talloc(s3call, s3call->request.data.sid);
1063         NT_STATUS_HAVE_NO_MEMORY(sid);
1064
1065         ctx = wb_sid2uid_send(s3call, service, sid);
1066         NT_STATUS_HAVE_NO_MEMORY(ctx);
1067
1068         ctx->async.fn = sid2uid_recv;
1069         ctx->async.private_data = s3call;
1070         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
1071         return NT_STATUS_OK;
1072
1073 }
1074
1075 static void sid2uid_recv(struct composite_context *ctx)
1076 {
1077         struct wbsrv_samba3_call *s3call =
1078                 talloc_get_type(ctx->async.private_data,
1079                                 struct wbsrv_samba3_call);
1080         NTSTATUS status;
1081
1082         DEBUG(5, ("sid2uid_recv called\n"));
1083
1084         status = wb_sid2uid_recv(ctx, &s3call->response.data.uid);
1085
1086         wbsrv_samba3_async_epilogue(status, s3call);
1087 }
1088
1089 static void sid2gid_recv(struct composite_context *ctx);
1090
1091 NTSTATUS wbsrv_samba3_sid2gid(struct wbsrv_samba3_call *s3call)
1092 {
1093         struct composite_context *ctx;
1094         struct wbsrv_service *service =
1095                 s3call->wbconn->listen_socket->service;
1096         struct dom_sid *sid;
1097
1098         DEBUG(5, ("wbsrv_samba3_sid2gid called\n"));
1099
1100         sid = dom_sid_parse_talloc(s3call, s3call->request.data.sid);
1101         NT_STATUS_HAVE_NO_MEMORY(sid);
1102
1103         ctx = wb_sid2gid_send(s3call, service, sid);
1104         NT_STATUS_HAVE_NO_MEMORY(ctx);
1105
1106         ctx->async.fn = sid2gid_recv;
1107         ctx->async.private_data = s3call;
1108         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
1109         return NT_STATUS_OK;
1110
1111 }
1112
1113 static void sid2gid_recv(struct composite_context *ctx)
1114 {
1115         struct wbsrv_samba3_call *s3call =
1116                 talloc_get_type(ctx->async.private_data,
1117                                 struct wbsrv_samba3_call);
1118         NTSTATUS status;
1119
1120         DEBUG(5, ("sid2gid_recv called\n"));
1121
1122         status = wb_sid2gid_recv(ctx, &s3call->response.data.gid);
1123
1124         wbsrv_samba3_async_epilogue(status, s3call);
1125 }
1126
1127 static void uid2sid_recv(struct composite_context *ctx);
1128
1129 NTSTATUS wbsrv_samba3_uid2sid(struct wbsrv_samba3_call *s3call)
1130 {
1131         struct composite_context *ctx;
1132         struct wbsrv_service *service =
1133                 s3call->wbconn->listen_socket->service;
1134
1135         DEBUG(5, ("wbsrv_samba3_uid2sid called\n"));
1136
1137         ctx = wb_uid2sid_send(s3call, service, s3call->request.data.uid);
1138         NT_STATUS_HAVE_NO_MEMORY(ctx);
1139
1140         ctx->async.fn = uid2sid_recv;
1141         ctx->async.private_data = s3call;
1142         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
1143         return NT_STATUS_OK;
1144
1145 }
1146
1147 static void uid2sid_recv(struct composite_context *ctx)
1148 {
1149         struct wbsrv_samba3_call *s3call =
1150                 talloc_get_type(ctx->async.private_data,
1151                                 struct wbsrv_samba3_call);
1152         NTSTATUS status;
1153         struct dom_sid *sid;
1154         char *sid_str;
1155
1156         DEBUG(5, ("uid2sid_recv called\n"));
1157
1158         status = wb_uid2sid_recv(ctx, s3call, &sid);
1159         if(NT_STATUS_IS_OK(status)) {
1160                 sid_str = dom_sid_string(s3call, sid);
1161
1162                 /* If the conversion failed, bail out with a failure. */
1163                 if (sid_str == NULL)
1164                         wbsrv_samba3_async_epilogue(NT_STATUS_NO_MEMORY,s3call);
1165
1166                 /* But we assume this worked, so we'll set the string. Work
1167                  * done. */
1168                 WBSRV_SAMBA3_SET_STRING(s3call->response.data.sid.sid, sid_str);
1169                 s3call->response.data.sid.type = SID_NAME_USER;
1170         }
1171
1172         wbsrv_samba3_async_epilogue(status, s3call);
1173 }
1174
1175 static void gid2sid_recv(struct composite_context *ctx);
1176
1177 NTSTATUS wbsrv_samba3_gid2sid(struct wbsrv_samba3_call *s3call)
1178 {
1179         struct composite_context *ctx;
1180         struct wbsrv_service *service =
1181                 s3call->wbconn->listen_socket->service;
1182
1183         DEBUG(5, ("wbsrv_samba3_gid2sid called\n"));
1184
1185         ctx = wb_gid2sid_send(s3call, service, s3call->request.data.gid);
1186         NT_STATUS_HAVE_NO_MEMORY(ctx);
1187
1188         ctx->async.fn = gid2sid_recv;
1189         ctx->async.private_data = s3call;
1190         s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
1191         return NT_STATUS_OK;
1192
1193 }
1194
1195 static void gid2sid_recv(struct composite_context *ctx)
1196 {
1197         struct wbsrv_samba3_call *s3call =
1198                 talloc_get_type(ctx->async.private_data,
1199                                 struct wbsrv_samba3_call);
1200         NTSTATUS status;
1201         struct dom_sid *sid;
1202         char *sid_str;
1203
1204         DEBUG(5, ("gid2sid_recv called\n"));
1205
1206         status = wb_gid2sid_recv(ctx, s3call, &sid);
1207         if(NT_STATUS_IS_OK(status)) {
1208                 sid_str = dom_sid_string(s3call, sid);
1209
1210                 if (sid_str == NULL)
1211                         wbsrv_samba3_async_epilogue(NT_STATUS_NO_MEMORY,s3call);
1212
1213                 WBSRV_SAMBA3_SET_STRING(s3call->response.data.sid.sid, sid_str);
1214                 s3call->response.data.sid.type = SID_NAME_DOMAIN;
1215         }
1216
1217         wbsrv_samba3_async_epilogue(status, s3call);
1218 }
1219