source3/rpc_server/wkssvc/srv_wkssvc_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *
   5  *  Copyright (C) Andrew Tridgell               1992-1997,
   6  *  Copyright (C) Gerald (Jerry) Carter         2006.
   7  *  Copyright (C) Guenther Deschner             2007-2008.
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 3 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 /* This is the implementation of the wks interface. */
  24
  25 #include "includes.h"
  26 #include "ntdomain.h"
  27 #include "librpc/gen_ndr/libnet_join.h"
  28 #include "libnet/libnet_join.h"
  29 #include "../libcli/auth/libcli_auth.h"
  30 #include "../librpc/gen_ndr/srv_wkssvc.h"
  31 #include "../libcli/security/security.h"
  32 #include "session.h"
  33 #include "smbd/smbd.h"
  34 #include "auth.h"
  35 #include "krb5_env.h"
  36
  37 #undef DBGC_CLASS
  38 #define DBGC_CLASS DBGC_RPC_SRV
  39
  40 struct dom_usr {
  41         char *name;
  42         char *domain;
  43         time_t login_time;
  44 };
  45
  46 #ifdef HAVE_GETUTXENT
  47
  48 #include <utmpx.h>
  49
  50 struct usrinfo {
  51         char *name;
  52         struct timeval login_time;
  53 };
  54
  55 static int usr_info_cmp(const struct usrinfo *usr1, const struct usrinfo *usr2)
  56 {
  57         /* Called from qsort to compare two users in a usrinfo_t array for
  58          * sorting by login time. Return >0 if usr1 login time was later than
  59          * usr2 login time, <0 if it was earlier */
  60         return timeval_compare(&usr1->login_time, &usr2->login_time);
  61 }
  62
  63 /*******************************************************************
  64  Get a list of the names of all users logged into this machine
  65  ********************************************************************/
  66
  67 static char **get_logged_on_userlist(TALLOC_CTX *mem_ctx)
  68 {
  69         char **users;
  70         int i, num_users = 0;
  71         struct usrinfo *usr_infos = NULL;
  72         struct utmpx *u;
  73
  74         while ((u = getutxent()) != NULL) {
  75                 struct usrinfo *tmp;
  76                 if (u->ut_type != USER_PROCESS) {
  77                         continue;
  78                 }
  79                 for (i = 0; i < num_users; i++) {
  80                         /* getutxent can return multiple user entries for the
  81                          * same user, so ignore any dups */
  82                         if (strcmp(u->ut_user, usr_infos[i].name) == 0) {
  83                                 break;
  84                         }
  85                 }
  86                 if (i < num_users) {
  87                         continue;
  88                 }
  89
  90                 tmp = talloc_realloc(mem_ctx, usr_infos, struct usrinfo,
  91                                      num_users+1);
  92                 if (tmp == NULL) {
  93                         TALLOC_FREE(tmp);
  94                         endutxent();
  95                         return NULL;
  96                 }
  97                 usr_infos = tmp;
  98                 usr_infos[num_users].name = talloc_strdup(usr_infos,
  99                                                           u->ut_user);
 100                 if (usr_infos[num_users].name == NULL) {
 101                         TALLOC_FREE(usr_infos);
 102                         endutxent();
 103                         return NULL;
 104                 }
 105                 usr_infos[num_users].login_time.tv_sec = u->ut_tv.tv_sec;
 106                 usr_infos[num_users].login_time.tv_usec = u->ut_tv.tv_usec;
 107                 num_users += 1;
 108         }
 109
 110         /* Sort the user list by time, oldest first */
 111         TYPESAFE_QSORT(usr_infos, num_users, usr_info_cmp);
 112
 113         users = (char**)talloc_array(mem_ctx, char*, num_users);
 114         if (users) {
 115                 for (i = 0; i < num_users; i++) {
 116                         users[i] = talloc_move(users, &usr_infos[i].name);
 117                 }
 118         }
 119         TALLOC_FREE(usr_infos);
 120         endutxent();
 121         errno = 0;
 122         return users;
 123 }
 124
 125 #else
 126
 127 static char **get_logged_on_userlist(TALLOC_CTX *mem_ctx)
 128 {
 129         return NULL;
 130 }
 131
 132 #endif
 133
 134 static int dom_user_cmp(const struct dom_usr *usr1, const struct dom_usr *usr2)
 135 {
 136         /* Called from qsort to compare two domain users in a dom_usr_t array
 137          * for sorting by login time. Return >0 if usr1 login time was later
 138          * than usr2 login time, <0 if it was earlier */
 139         return (usr1->login_time - usr2->login_time);
 140 }
 141
 142 /*******************************************************************
 143  Get a list of the names of all users of this machine who are
 144  logged into the domain.
 145
 146  This should return a list of the users on this machine who are
 147  logged into the domain (i.e. have been authenticated by the domain's
 148  password server) but that doesn't fit well with the normal Samba
 149  scenario where accesses out to the domain are made through smbclient
 150  with each such session individually authenticated. So about the best
 151  we can do currently is to list sessions of local users connected to
 152  this server, which means that to get themself included in the list a
 153  local user must create a session to the local samba server by running:
 154      smbclient \\\\localhost\\share
 155
 156  FIXME: find a better way to get local users logged into the domain
 157  in this list.
 158  ********************************************************************/
 159
 160 static struct dom_usr *get_domain_userlist(TALLOC_CTX *mem_ctx)
 161 {
 162         struct sessionid *session_list = NULL;
 163         char *machine_name, *p, *nm;
 164         const char *sep;
 165         struct dom_usr *users, *tmp;
 166         int i, num_users, num_sessions;
 167
 168         sep = lp_winbind_separator();
 169         if (!sep) {
 170                 sep = "\\";
 171         }
 172
 173         num_sessions = list_sessions(mem_ctx, &session_list);
 174         if (num_sessions == 0) {
 175                 errno = 0;
 176                 return NULL;
 177         }
 178
 179         users = talloc_array(mem_ctx, struct dom_usr, num_sessions);
 180         if (users == NULL) {
 181                 TALLOC_FREE(session_list);
 182                 return NULL;
 183         }
 184
 185         for (i=num_users=0; i<num_sessions; i++) {
 186                 if (!session_list[i].username
 187                     || !session_list[i].remote_machine) {
 188                         continue;
 189                 }
 190                 p = strpbrk(session_list[i].remote_machine, "./");
 191                 if (p) {
 192                         *p = '\0';
 193                 }
 194                 machine_name = talloc_asprintf_strupper_m(
 195                         users, "%s", session_list[i].remote_machine);
 196                 if (machine_name == NULL) {
 197                         DEBUG(10, ("talloc_asprintf failed\n"));
 198                         continue;
 199                 }
 200                 if (strcmp(machine_name, lp_netbios_name()) == 0) {
 201                         p = session_list[i].username;
 202                         nm = strstr(p, sep);
 203                         if (nm) {
 204                                 /*
 205                                  * "domain+name" format so split domain and
 206                                  * name components
 207                                  */
 208                                 *nm = '\0';
 209                                 nm += strlen(sep);
 210                                 users[num_users].domain =
 211                                         talloc_asprintf_strupper_m(users,
 212                                                                    "%s", p);
 213                                 users[num_users].name = talloc_strdup(users,
 214                                                                       nm);
 215                         } else {
 216                                 /*
 217                                  * Simple user name so get domain from smb.conf
 218                                  */
 219                                 users[num_users].domain =
 220                                         talloc_strdup(users, lp_workgroup());
 221                                 users[num_users].name = talloc_strdup(users,
 222                                                                       p);
 223                         }
 224                         users[num_users].login_time =
 225                                 session_list[i].connect_start;
 226                         num_users++;
 227                 }
 228                 TALLOC_FREE(machine_name);
 229         }
 230         TALLOC_FREE(session_list);
 231
 232         tmp = talloc_realloc(mem_ctx, users, struct dom_usr, num_users);
 233         if (tmp == NULL) {
 234                 return NULL;
 235         }
 236         users = tmp;
 237
 238         /* Sort the user list by time, oldest first */
 239         TYPESAFE_QSORT(users, num_users, dom_user_cmp);
 240
 241         errno = 0;
 242         return users;
 243 }
 244
 245 /*******************************************************************
 246  RPC Workstation Service request NetWkstaGetInfo with level 100.
 247  Returns to the requester:
 248   - The machine name.
 249   - The smb version number
 250   - The domain name.
 251  Returns a filled in wkssvc_NetWkstaInfo100 struct.
 252  ********************************************************************/
 253
 254 static struct wkssvc_NetWkstaInfo100 *create_wks_info_100(TALLOC_CTX *mem_ctx)
 255 {
 256         struct wkssvc_NetWkstaInfo100 *info100;
 257
 258         info100 = talloc(mem_ctx, struct wkssvc_NetWkstaInfo100);
 259         if (info100 == NULL) {
 260                 return NULL;
 261         }
 262
 263         info100->platform_id     = PLATFORM_ID_NT;      /* unknown */
 264         info100->version_major   = SAMBA_MAJOR_NBT_ANNOUNCE_VERSION;
 265         info100->version_minor   = SAMBA_MINOR_NBT_ANNOUNCE_VERSION;
 266
 267         info100->server_name = talloc_asprintf_strupper_m(
 268                 info100, "%s", lp_netbios_name());
 269         info100->domain_name = talloc_asprintf_strupper_m(
 270                 info100, "%s", lp_workgroup());
 271
 272         return info100;
 273 }
 274
 275 /*******************************************************************
 276  RPC Workstation Service request NetWkstaGetInfo with level 101.
 277  Returns to the requester:
 278   - As per NetWkstaGetInfo with level 100, plus:
 279   - The LANMAN directory path (not currently supported).
 280  Returns a filled in wkssvc_NetWkstaInfo101 struct.
 281  ********************************************************************/
 282
 283 static struct wkssvc_NetWkstaInfo101 *create_wks_info_101(TALLOC_CTX *mem_ctx)
 284 {
 285         struct wkssvc_NetWkstaInfo101 *info101;
 286
 287         info101 = talloc(mem_ctx, struct wkssvc_NetWkstaInfo101);
 288         if (info101 == NULL) {
 289                 return NULL;
 290         }
 291
 292         info101->platform_id     = PLATFORM_ID_NT;      /* unknown */
 293         info101->version_major   = SAMBA_MAJOR_NBT_ANNOUNCE_VERSION;
 294         info101->version_minor   = SAMBA_MINOR_NBT_ANNOUNCE_VERSION;
 295
 296         info101->server_name = talloc_asprintf_strupper_m(
 297                 info101, "%s", lp_netbios_name());
 298         info101->domain_name = talloc_asprintf_strupper_m(
 299                 info101, "%s", lp_workgroup());
 300         info101->lan_root = "";
 301
 302         return info101;
 303 }
 304
 305 /*******************************************************************
 306  RPC Workstation Service request NetWkstaGetInfo with level 102.
 307  Returns to the requester:
 308   - As per NetWkstaGetInfo with level 101, plus:
 309   - The number of logged in users.
 310  Returns a filled in wkssvc_NetWkstaInfo102 struct.
 311  ********************************************************************/
 312
 313 static struct wkssvc_NetWkstaInfo102 *create_wks_info_102(TALLOC_CTX *mem_ctx)
 314 {
 315         struct wkssvc_NetWkstaInfo102 *info102;
 316         char **users;
 317
 318         info102 = talloc(mem_ctx, struct wkssvc_NetWkstaInfo102);
 319         if (info102 == NULL) {
 320                 return NULL;
 321         }
 322
 323         info102->platform_id     = PLATFORM_ID_NT;      /* unknown */
 324         info102->version_major   = SAMBA_MAJOR_NBT_ANNOUNCE_VERSION;
 325         info102->version_minor   = SAMBA_MINOR_NBT_ANNOUNCE_VERSION;
 326
 327         info102->server_name = talloc_asprintf_strupper_m(
 328                 info102, "%s", lp_netbios_name());
 329         info102->domain_name = talloc_asprintf_strupper_m(
 330                 info102, "%s", lp_workgroup());
 331         info102->lan_root = "";
 332
 333         users = get_logged_on_userlist(talloc_tos());
 334         info102->logged_on_users = talloc_array_length(users);
 335
 336         TALLOC_FREE(users);
 337
 338         return info102;
 339 }
 340
 341 /********************************************************************
 342  Handling for RPC Workstation Service request NetWkstaGetInfo
 343  ********************************************************************/
 344
 345 WERROR _wkssvc_NetWkstaGetInfo(struct pipes_struct *p,
 346                                struct wkssvc_NetWkstaGetInfo *r)
 347 {
 348         switch (r->in.level) {
 349         case 100:
 350                 /* Level 100 can be allowed from anyone including anonymous
 351                  * so no access checks are needed for this case */
 352                 r->out.info->info100 = create_wks_info_100(p->mem_ctx);
 353                 if (r->out.info->info100 == NULL) {
 354                         return WERR_NOMEM;
 355                 }
 356                 break;
 357         case 101:
 358                 /* Level 101 can be allowed from any logged in user */
 359                 if (!nt_token_check_sid(&global_sid_Authenticated_Users,
 360                                         p->session_info->security_token)) {
 361                         DEBUG(1,("User not allowed for NetWkstaGetInfo level "
 362                                  "101\n"));
 363                         DEBUGADD(3,(" - does not have sid for Authenticated "
 364                                     "Users %s:\n",
 365                                     sid_string_dbg(
 366                                             &global_sid_Authenticated_Users)));
 367                         security_token_debug(DBGC_CLASS, 3,
 368                                             p->session_info->security_token);
 369                         return WERR_ACCESS_DENIED;
 370                 }
 371                 r->out.info->info101 = create_wks_info_101(p->mem_ctx);
 372                 if (r->out.info->info101 == NULL) {
 373                         return WERR_NOMEM;
 374                 }
 375                 break;
 376         case 102:
 377                 /* Level 102 Should only be allowed from a domain administrator */
 378                 if (!nt_token_check_sid(&global_sid_Builtin_Administrators,
 379                                         p->session_info->security_token)) {
 380                         DEBUG(1,("User not allowed for NetWkstaGetInfo level "
 381                                  "102\n"));
 382                         DEBUGADD(3,(" - does not have sid for Administrators "
 383                                     "group %s, sids are:\n",
 384                                     sid_string_dbg(&global_sid_Builtin_Administrators)));
 385                         security_token_debug(DBGC_CLASS, 3,
 386                                             p->session_info->security_token);
 387                         return WERR_ACCESS_DENIED;
 388                 }
 389                 r->out.info->info102 = create_wks_info_102(p->mem_ctx);
 390                 if (r->out.info->info102 == NULL) {
 391                         return WERR_NOMEM;
 392                 }
 393                 break;
 394         default:
 395                 return WERR_UNKNOWN_LEVEL;
 396         }
 397
 398         return WERR_OK;
 399 }
 400
 401 /********************************************************************
 402  ********************************************************************/
 403
 404 WERROR _wkssvc_NetWkstaSetInfo(struct pipes_struct *p,
 405                                struct wkssvc_NetWkstaSetInfo *r)
 406 {
 407         /* FIXME: Add implementation code here */
 408         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 409         return WERR_NOT_SUPPORTED;
 410 }
 411
 412 /********************************************************************
 413  RPC Workstation Service request NetWkstaEnumUsers with level 0:
 414  Returns to the requester:
 415   - the user names of the logged in users.
 416  Returns a filled in wkssvc_NetWkstaEnumUsersCtr0 struct.
 417  ********************************************************************/
 418
 419 static struct wkssvc_NetWkstaEnumUsersCtr0 *create_enum_users0(
 420         TALLOC_CTX *mem_ctx)
 421 {
 422         struct wkssvc_NetWkstaEnumUsersCtr0 *ctr0;
 423         char **users;
 424         int i, num_users;
 425
 426         ctr0 = talloc(mem_ctx, struct wkssvc_NetWkstaEnumUsersCtr0);
 427         if (ctr0 == NULL) {
 428                 return NULL;
 429         }
 430
 431         users = get_logged_on_userlist(talloc_tos());
 432         if (users == NULL && errno != 0) {
 433                 DEBUG(1,("get_logged_on_userlist error %d: %s\n",
 434                         errno, strerror(errno)));
 435                 TALLOC_FREE(ctr0);
 436                 return NULL;
 437         }
 438
 439         num_users = talloc_array_length(users);
 440         ctr0->entries_read = num_users;
 441         ctr0->user0 = talloc_array(ctr0, struct wkssvc_NetrWkstaUserInfo0,
 442                                    num_users);
 443         if (ctr0->user0 == NULL) {
 444                 TALLOC_FREE(ctr0);
 445                 TALLOC_FREE(users);
 446                 return NULL;
 447         }
 448
 449         for (i=0; i<num_users; i++) {
 450                 ctr0->user0[i].user_name = talloc_move(ctr0->user0, &users[i]);
 451         }
 452         TALLOC_FREE(users);
 453         return ctr0;
 454 }
 455
 456 /********************************************************************
 457  RPC Workstation Service request NetWkstaEnumUsers with level 1.
 458  Returns to the requester:
 459   - the user names of the logged in users,
 460   - the domain or machine each is logged into,
 461   - the password server that was used to authenticate each,
 462   - other domains each user is logged into (not currently supported).
 463  Returns a filled in wkssvc_NetWkstaEnumUsersCtr1 struct.
 464  ********************************************************************/
 465
 466 static struct wkssvc_NetWkstaEnumUsersCtr1 *create_enum_users1(
 467         TALLOC_CTX *mem_ctx)
 468 {
 469         struct wkssvc_NetWkstaEnumUsersCtr1 *ctr1;
 470         char **users;
 471         struct dom_usr *dom_users;
 472         const char *pwd_server;
 473         char *pwd_tmp;
 474         int i, j, num_users, num_dom_users;
 475
 476         ctr1 = talloc(mem_ctx, struct wkssvc_NetWkstaEnumUsersCtr1);
 477         if (ctr1 == NULL) {
 478                 return NULL;
 479         }
 480
 481         users = get_logged_on_userlist(talloc_tos());
 482         if (users == NULL && errno != 0) {
 483                 DEBUG(1,("get_logged_on_userlist error %d: %s\n",
 484                         errno, strerror(errno)));
 485                 TALLOC_FREE(ctr1);
 486                 return NULL;
 487         }
 488         num_users = talloc_array_length(users);
 489
 490         dom_users = get_domain_userlist(talloc_tos());
 491         if (dom_users == NULL && errno != 0) {
 492                 TALLOC_FREE(ctr1);
 493                 TALLOC_FREE(users);
 494                 return NULL;
 495         }
 496         num_dom_users = talloc_array_length(dom_users);
 497
 498         ctr1->user1 = talloc_array(ctr1, struct wkssvc_NetrWkstaUserInfo1,
 499                                    num_users+num_dom_users);
 500         if (ctr1->user1 == NULL) {
 501                 TALLOC_FREE(ctr1);
 502                 TALLOC_FREE(users);
 503                 TALLOC_FREE(dom_users);
 504                 return NULL;
 505         }
 506
 507         pwd_server = "";
 508
 509         if ((pwd_tmp = talloc_strdup(ctr1->user1, lp_passwordserver()))) {
 510                 /* The configured password server is a full DNS name but
 511                  * for the logon server we need to return just the first
 512                  * component (machine name) of it in upper-case */
 513                 char *p = strchr(pwd_tmp, '.');
 514                 if (p) {
 515                         *p = '\0';
 516                 } else {
 517                         p = pwd_tmp + strlen(pwd_tmp);
 518                 }
 519                 while (--p >= pwd_tmp) {
 520                         *p = toupper(*p);
 521                 }
 522                 pwd_server = pwd_tmp;
 523         }
 524
 525         /* Put in local users first */
 526         for (i=0; i<num_users; i++) {
 527                 ctr1->user1[i].user_name = talloc_move(ctr1->user1, &users[i]);
 528
 529                 /* For a local user the domain name and logon server are
 530                  * both returned as the local machine's NetBIOS name */
 531                 ctr1->user1[i].logon_domain = ctr1->user1[i].logon_server =
 532                         talloc_asprintf_strupper_m(ctr1->user1, "%s", lp_netbios_name());
 533
 534                 ctr1->user1[i].other_domains = NULL;    /* Maybe in future? */
 535         }
 536
 537         /* Now domain users */
 538         for (j=0; j<num_dom_users; j++) {
 539                 ctr1->user1[i].user_name =
 540                                 talloc_strdup(ctr1->user1, dom_users[j].name);
 541                 ctr1->user1[i].logon_domain =
 542                                 talloc_strdup(ctr1->user1, dom_users[j].domain);
 543                 ctr1->user1[i].logon_server = pwd_server;
 544
 545                 ctr1->user1[i++].other_domains = NULL;  /* Maybe in future? */
 546         }
 547
 548         ctr1->entries_read = i;
 549
 550         TALLOC_FREE(users);
 551         TALLOC_FREE(dom_users);
 552         return ctr1;
 553 }
 554
 555 /********************************************************************
 556  Handling for RPC Workstation Service request NetWkstaEnumUsers
 557  (a.k.a Windows NetWkstaUserEnum)
 558  ********************************************************************/
 559
 560 WERROR _wkssvc_NetWkstaEnumUsers(struct pipes_struct *p,
 561                                  struct wkssvc_NetWkstaEnumUsers *r)
 562 {
 563         /* This with any level should only be allowed from a domain administrator */
 564         if (!nt_token_check_sid(&global_sid_Builtin_Administrators,
 565                                 p->session_info->security_token)) {
 566                 DEBUG(1,("User not allowed for NetWkstaEnumUsers\n"));
 567                 DEBUGADD(3,(" - does not have sid for Administrators group "
 568                             "%s\n", sid_string_dbg(
 569                                     &global_sid_Builtin_Administrators)));
 570                 security_token_debug(DBGC_CLASS, 3, p->session_info->security_token);
 571                 return WERR_ACCESS_DENIED;
 572         }
 573
 574         switch (r->in.info->level) {
 575         case 0:
 576                 r->out.info->ctr.user0 = create_enum_users0(p->mem_ctx);
 577                 if (r->out.info->ctr.user0 == NULL) {
 578                         return WERR_NOMEM;
 579                 }
 580                 r->out.info->level = r->in.info->level;
 581                 *r->out.entries_read = r->out.info->ctr.user0->entries_read;
 582                 *r->out.resume_handle = 0;
 583                 break;
 584         case 1:
 585                 r->out.info->ctr.user1 = create_enum_users1(p->mem_ctx);
 586                 if (r->out.info->ctr.user1 == NULL) {
 587                         return WERR_NOMEM;
 588                 }
 589                 r->out.info->level = r->in.info->level;
 590                 *r->out.entries_read = r->out.info->ctr.user1->entries_read;
 591                 *r->out.resume_handle = 0;
 592                 break;
 593         default:
 594                 return WERR_UNKNOWN_LEVEL;
 595         }
 596
 597         return WERR_OK;
 598 }
 599
 600 /********************************************************************
 601  ********************************************************************/
 602
 603 WERROR _wkssvc_NetrWkstaUserGetInfo(struct pipes_struct *p,
 604                                     struct wkssvc_NetrWkstaUserGetInfo *r)
 605 {
 606         /* FIXME: Add implementation code here */
 607         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 608         return WERR_NOT_SUPPORTED;
 609 }
 610
 611 /********************************************************************
 612  ********************************************************************/
 613
 614 WERROR _wkssvc_NetrWkstaUserSetInfo(struct pipes_struct *p,
 615                                     struct wkssvc_NetrWkstaUserSetInfo *r)
 616 {
 617         /* FIXME: Add implementation code here */
 618         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 619         return WERR_NOT_SUPPORTED;
 620 }
 621
 622 /********************************************************************
 623  ********************************************************************/
 624
 625 WERROR _wkssvc_NetWkstaTransportEnum(struct pipes_struct *p,
 626                                      struct wkssvc_NetWkstaTransportEnum *r)
 627 {
 628         /* FIXME: Add implementation code here */
 629         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 630         return WERR_NOT_SUPPORTED;
 631 }
 632
 633 /********************************************************************
 634  ********************************************************************/
 635
 636 WERROR _wkssvc_NetrWkstaTransportAdd(struct pipes_struct *p,
 637                                      struct wkssvc_NetrWkstaTransportAdd *r)
 638 {
 639         /* FIXME: Add implementation code here */
 640         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 641         return WERR_NOT_SUPPORTED;
 642 }
 643
 644 /********************************************************************
 645  ********************************************************************/
 646
 647 WERROR _wkssvc_NetrWkstaTransportDel(struct pipes_struct *p,
 648                                      struct wkssvc_NetrWkstaTransportDel *r)
 649 {
 650         /* FIXME: Add implementation code here */
 651         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 652         return WERR_NOT_SUPPORTED;
 653 }
 654
 655 /********************************************************************
 656  ********************************************************************/
 657
 658 WERROR _wkssvc_NetrUseAdd(struct pipes_struct *p,
 659                           struct wkssvc_NetrUseAdd *r)
 660 {
 661         /* FIXME: Add implementation code here */
 662         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 663         return WERR_NOT_SUPPORTED;
 664 }
 665
 666 /********************************************************************
 667  ********************************************************************/
 668
 669 WERROR _wkssvc_NetrUseGetInfo(struct pipes_struct *p,
 670                               struct wkssvc_NetrUseGetInfo *r)
 671 {
 672         /* FIXME: Add implementation code here */
 673         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 674         return WERR_NOT_SUPPORTED;
 675 }
 676
 677 /********************************************************************
 678  ********************************************************************/
 679
 680 WERROR _wkssvc_NetrUseDel(struct pipes_struct *p,
 681                           struct wkssvc_NetrUseDel *r)
 682 {
 683         /* FIXME: Add implementation code here */
 684         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 685         return WERR_NOT_SUPPORTED;
 686 }
 687
 688 /********************************************************************
 689  ********************************************************************/
 690
 691 WERROR _wkssvc_NetrUseEnum(struct pipes_struct *p,
 692                            struct wkssvc_NetrUseEnum *r)
 693 {
 694         /* FIXME: Add implementation code here */
 695         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 696         return WERR_NOT_SUPPORTED;
 697 }
 698
 699 /********************************************************************
 700  ********************************************************************/
 701
 702 WERROR _wkssvc_NetrMessageBufferSend(struct pipes_struct *p,
 703                                      struct wkssvc_NetrMessageBufferSend *r)
 704 {
 705         /* FIXME: Add implementation code here */
 706         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 707         return WERR_NOT_SUPPORTED;
 708 }
 709
 710 /********************************************************************
 711  ********************************************************************/
 712
 713 WERROR _wkssvc_NetrWorkstationStatisticsGet(struct pipes_struct *p,
 714                                             struct wkssvc_NetrWorkstationStatisticsGet *r)
 715 {
 716         /* FIXME: Add implementation code here */
 717         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 718         return WERR_NOT_SUPPORTED;
 719 }
 720
 721 /********************************************************************
 722  ********************************************************************/
 723
 724 WERROR _wkssvc_NetrLogonDomainNameAdd(struct pipes_struct *p,
 725                                       struct wkssvc_NetrLogonDomainNameAdd *r)
 726 {
 727         /* FIXME: Add implementation code here */
 728         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 729         return WERR_NOT_SUPPORTED;
 730 }
 731
 732 /********************************************************************
 733  ********************************************************************/
 734
 735 WERROR _wkssvc_NetrLogonDomainNameDel(struct pipes_struct *p,
 736                                       struct wkssvc_NetrLogonDomainNameDel *r)
 737 {
 738         /* FIXME: Add implementation code here */
 739         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 740         return WERR_NOT_SUPPORTED;
 741 }
 742
 743 /********************************************************************
 744  ********************************************************************/
 745
 746 WERROR _wkssvc_NetrJoinDomain(struct pipes_struct *p,
 747                               struct wkssvc_NetrJoinDomain *r)
 748 {
 749         /* FIXME: Add implementation code here */
 750         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 751         return WERR_NOT_SUPPORTED;
 752 }
 753
 754 /********************************************************************
 755  ********************************************************************/
 756
 757 WERROR _wkssvc_NetrUnjoinDomain(struct pipes_struct *p,
 758                                 struct wkssvc_NetrUnjoinDomain *r)
 759 {
 760         /* FIXME: Add implementation code here */
 761         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 762         return WERR_NOT_SUPPORTED;
 763 }
 764
 765 /********************************************************************
 766  ********************************************************************/
 767
 768 WERROR _wkssvc_NetrRenameMachineInDomain(struct pipes_struct *p,
 769                                          struct wkssvc_NetrRenameMachineInDomain *r)
 770 {
 771         /* FIXME: Add implementation code here */
 772         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 773         return WERR_NOT_SUPPORTED;
 774 }
 775
 776 /********************************************************************
 777  ********************************************************************/
 778
 779 WERROR _wkssvc_NetrValidateName(struct pipes_struct *p,
 780                                 struct wkssvc_NetrValidateName *r)
 781 {
 782         /* FIXME: Add implementation code here */
 783         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 784         return WERR_NOT_SUPPORTED;
 785 }
 786
 787 /********************************************************************
 788  ********************************************************************/
 789
 790 WERROR _wkssvc_NetrGetJoinInformation(struct pipes_struct *p,
 791                                       struct wkssvc_NetrGetJoinInformation *r)
 792 {
 793         /* FIXME: Add implementation code here */
 794         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 795         return WERR_NOT_SUPPORTED;
 796 }
 797
 798 /********************************************************************
 799  ********************************************************************/
 800
 801 WERROR _wkssvc_NetrGetJoinableOus(struct pipes_struct *p,
 802                                   struct wkssvc_NetrGetJoinableOus *r)
 803 {
 804         /* FIXME: Add implementation code here */
 805         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 806         return WERR_NOT_SUPPORTED;
 807 }
 808
 809 /********************************************************************
 810  _wkssvc_NetrJoinDomain2
 811  ********************************************************************/
 812
 813 WERROR _wkssvc_NetrJoinDomain2(struct pipes_struct *p,
 814                                struct wkssvc_NetrJoinDomain2 *r)
 815 {
 816         struct libnet_JoinCtx *j = NULL;
 817         char *cleartext_pwd = NULL;
 818         char *admin_domain = NULL;
 819         char *admin_account = NULL;
 820         WERROR werr;
 821         struct security_token *token = p->session_info->security_token;
 822
 823         if (!r->in.domain_name) {
 824                 return WERR_INVALID_PARAM;
 825         }
 826
 827         if (!r->in.admin_account || !r->in.encrypted_password) {
 828                 return WERR_INVALID_PARAM;
 829         }
 830
 831         if (!security_token_has_privilege(token, SEC_PRIV_MACHINE_ACCOUNT) &&
 832             !nt_token_check_domain_rid(token, DOMAIN_RID_ADMINS) &&
 833             !nt_token_check_sid(&global_sid_Builtin_Administrators, token)) {
 834                 DEBUG(5,("_wkssvc_NetrJoinDomain2: account doesn't have "
 835                         "sufficient privileges\n"));
 836                 return WERR_ACCESS_DENIED;
 837         }
 838
 839         if ((r->in.join_flags & WKSSVC_JOIN_FLAGS_MACHINE_PWD_PASSED) ||
 840             (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_UNSECURE)) {
 841                 return WERR_NOT_SUPPORTED;
 842         }
 843
 844         werr = decode_wkssvc_join_password_buffer(
 845                 p->mem_ctx, r->in.encrypted_password,
 846                 &p->session_info->session_key, &cleartext_pwd);
 847         if (!W_ERROR_IS_OK(werr)) {
 848                 return werr;
 849         }
 850
 851         split_domain_user(p->mem_ctx,
 852                           r->in.admin_account,
 853                           &admin_domain,
 854                           &admin_account);
 855
 856         werr = libnet_init_JoinCtx(p->mem_ctx, &j);
 857         if (!W_ERROR_IS_OK(werr)) {
 858                 return werr;
 859         }
 860
 861         j->in.domain_name       = r->in.domain_name;
 862         j->in.account_ou        = r->in.account_ou;
 863         j->in.join_flags        = r->in.join_flags;
 864         j->in.admin_account     = admin_account;
 865         j->in.admin_password    = cleartext_pwd;
 866         j->in.debug             = true;
 867         j->in.modify_config     = lp_config_backend_is_registry();
 868         j->in.msg_ctx           = p->msg_ctx;
 869
 870         become_root();
 871         setenv(KRB5_ENV_CCNAME, "MEMORY:_wkssvc_NetrJoinDomain2", 1);
 872         werr = libnet_Join(p->mem_ctx, j);
 873         unsetenv(KRB5_ENV_CCNAME);
 874         unbecome_root();
 875
 876         if (!W_ERROR_IS_OK(werr)) {
 877                 DEBUG(5,("_wkssvc_NetrJoinDomain2: libnet_Join failed with: %s\n",
 878                         j->out.error_string ? j->out.error_string :
 879                         win_errstr(werr)));
 880         }
 881
 882         TALLOC_FREE(j);
 883         return werr;
 884 }
 885
 886 /********************************************************************
 887  _wkssvc_NetrUnjoinDomain2
 888  ********************************************************************/
 889
 890 WERROR _wkssvc_NetrUnjoinDomain2(struct pipes_struct *p,
 891                                  struct wkssvc_NetrUnjoinDomain2 *r)
 892 {
 893         struct libnet_UnjoinCtx *u = NULL;
 894         char *cleartext_pwd = NULL;
 895         char *admin_domain = NULL;
 896         char *admin_account = NULL;
 897         WERROR werr;
 898         struct security_token *token = p->session_info->security_token;
 899
 900         if (!r->in.account || !r->in.encrypted_password) {
 901                 return WERR_INVALID_PARAM;
 902         }
 903
 904         if (!security_token_has_privilege(token, SEC_PRIV_MACHINE_ACCOUNT) &&
 905             !nt_token_check_domain_rid(token, DOMAIN_RID_ADMINS) &&
 906             !nt_token_check_sid(&global_sid_Builtin_Administrators, token)) {
 907                 DEBUG(5,("_wkssvc_NetrUnjoinDomain2: account doesn't have "
 908                         "sufficient privileges\n"));
 909                 return WERR_ACCESS_DENIED;
 910         }
 911
 912         werr = decode_wkssvc_join_password_buffer(
 913                 p->mem_ctx, r->in.encrypted_password,
 914                 &p->session_info->session_key, &cleartext_pwd);
 915         if (!W_ERROR_IS_OK(werr)) {
 916                 return werr;
 917         }
 918
 919         split_domain_user(p->mem_ctx,
 920                           r->in.account,
 921                           &admin_domain,
 922                           &admin_account);
 923
 924         werr = libnet_init_UnjoinCtx(p->mem_ctx, &u);
 925         if (!W_ERROR_IS_OK(werr)) {
 926                 return werr;
 927         }
 928
 929         u->in.domain_name       = lp_realm();
 930         u->in.unjoin_flags      = r->in.unjoin_flags |
 931                                   WKSSVC_JOIN_FLAGS_JOIN_TYPE;
 932         u->in.admin_account     = admin_account;
 933         u->in.admin_password    = cleartext_pwd;
 934         u->in.debug             = true;
 935         u->in.modify_config     = lp_config_backend_is_registry();
 936         u->in.msg_ctx           = p->msg_ctx;
 937
 938         become_root();
 939         setenv(KRB5_ENV_CCNAME, "MEMORY:_wkssvc_NetrUnjoinDomain2", 1);
 940         werr = libnet_Unjoin(p->mem_ctx, u);
 941         unsetenv(KRB5_ENV_CCNAME);
 942         unbecome_root();
 943
 944         if (!W_ERROR_IS_OK(werr)) {
 945                 DEBUG(5,("_wkssvc_NetrUnjoinDomain2: libnet_Unjoin failed with: %s\n",
 946                         u->out.error_string ? u->out.error_string :
 947                         win_errstr(werr)));
 948         }
 949
 950         TALLOC_FREE(u);
 951         return werr;
 952 }
 953
 954 /********************************************************************
 955  ********************************************************************/
 956
 957 WERROR _wkssvc_NetrRenameMachineInDomain2(struct pipes_struct *p,
 958                                           struct wkssvc_NetrRenameMachineInDomain2 *r)
 959 {
 960         /* for now just return not supported */
 961         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 962         return WERR_NOT_SUPPORTED;
 963 }
 964
 965 /********************************************************************
 966  ********************************************************************/
 967
 968 WERROR _wkssvc_NetrValidateName2(struct pipes_struct *p,
 969                                  struct wkssvc_NetrValidateName2 *r)
 970 {
 971         /* FIXME: Add implementation code here */
 972         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 973         return WERR_NOT_SUPPORTED;
 974 }
 975
 976 /********************************************************************
 977  ********************************************************************/
 978
 979 WERROR _wkssvc_NetrGetJoinableOus2(struct pipes_struct *p,
 980                                    struct wkssvc_NetrGetJoinableOus2 *r)
 981 {
 982         /* FIXME: Add implementation code here */
 983         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 984         return WERR_NOT_SUPPORTED;
 985 }
 986
 987 /********************************************************************
 988  ********************************************************************/
 989
 990 WERROR _wkssvc_NetrAddAlternateComputerName(struct pipes_struct *p,
 991                                             struct wkssvc_NetrAddAlternateComputerName *r)
 992 {
 993         /* FIXME: Add implementation code here */
 994         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
 995         return WERR_NOT_SUPPORTED;
 996 }
 997
 998 /********************************************************************
 999  ********************************************************************/
1000
1001 WERROR _wkssvc_NetrRemoveAlternateComputerName(struct pipes_struct *p,
1002                                                struct wkssvc_NetrRemoveAlternateComputerName *r)
1003 {
1004         /* FIXME: Add implementation code here */
1005         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 /********************************************************************
1010  ********************************************************************/
1011
1012 WERROR _wkssvc_NetrSetPrimaryComputername(struct pipes_struct *p,
1013                                           struct wkssvc_NetrSetPrimaryComputername *r)
1014 {
1015         /* FIXME: Add implementation code here */
1016         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1017         return WERR_NOT_SUPPORTED;
1018 }
1019
1020 /********************************************************************
1021  ********************************************************************/
1022
1023 WERROR _wkssvc_NetrEnumerateComputerNames(struct pipes_struct *p,
1024                                           struct wkssvc_NetrEnumerateComputerNames *r)
1025 {
1026         /* FIXME: Add implementation code here */
1027         p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1028         return WERR_NOT_SUPPORTED;
1029 }