source/utils/net.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Distributed SMB/CIFS Server Management Utility
   4    Copyright (C) 2001 Steve French  (sfrench@us.ibm.com)
   5    Copyright (C) 2001 Jim McDonough (jmcd@us.ibm.com)
   6    Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   7    Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
   8
   9    Originally written by Steve and Jim. Largely rewritten by tridge in
  10    November 2001.
  11
  12    Reworked again by abartlet in December 2001
  13
  14    This program is free software; you can redistribute it and/or modify
  15    it under the terms of the GNU General Public License as published by
  16    the Free Software Foundation; either version 3 of the License, or
  17    (at your option) any later version.
  18
  19    This program is distributed in the hope that it will be useful,
  20    but WITHOUT ANY WARRANTY; without even the implied warranty of
  21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU General Public License for more details.
  23
  24    You should have received a copy of the GNU General Public License
  25    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  26
  27 /*****************************************************/
  28 /*                                                   */
  29 /*   Distributed SMB/CIFS Server Management Utility  */
  30 /*                                                   */
  31 /*   The intent was to make the syntax similar       */
  32 /*   to the NET utility (first developed in DOS      */
  33 /*   with additional interesting & useful functions  */
  34 /*   added in later SMB server network operating     */
  35 /*   systems).                                       */
  36 /*                                                   */
  37 /*****************************************************/
  38
  39 #include "includes.h"
  40 #include "utils/net.h"
  41
  42 /***********************************************************************/
  43 /* Beginning of internationalization section.  Translatable constants  */
  44 /* should be kept in this area and referenced in the rest of the code. */
  45 /*                                                                     */
  46 /* No functions, outside of Samba or LSB (Linux Standards Base) should */
  47 /* be used (if possible).                                              */
  48 /***********************************************************************/
  49
  50 #define YES_STRING              "Yes"
  51 #define NO_STRING               "No"
  52
  53 /************************************************************************************/
  54 /*                       end of internationalization section                        */
  55 /************************************************************************************/
  56
  57 /* Yes, these buggers are globals.... */
  58 const char *opt_requester_name = NULL;
  59 const char *opt_host = NULL;
  60 const char *opt_password = NULL;
  61 const char *opt_user_name = NULL;
  62 bool opt_user_specified = False;
  63 const char *opt_workgroup = NULL;
  64 int opt_long_list_entries = 0;
  65 int opt_reboot = 0;
  66 int opt_force = 0;
  67 int opt_stdin = 0;
  68 int opt_port = 0;
  69 int opt_verbose = 0;
  70 int opt_maxusers = -1;
  71 const char *opt_comment = "";
  72 const char *opt_container = NULL;
  73 int opt_flags = -1;
  74 int opt_timeout = 0;
  75 const char *opt_target_workgroup = NULL;
  76 int opt_machine_pass = 0;
  77 int opt_localgroup = False;
  78 int opt_domaingroup = False;
  79 static int do_talloc_report=False;
  80 const char *opt_newntname = "";
  81 int opt_rid = 0;
  82 int opt_acls = 0;
  83 int opt_attrs = 0;
  84 int opt_timestamps = 0;
  85 const char *opt_exclude = NULL;
  86 const char *opt_destination = NULL;
  87 int opt_testmode = False;
  88
  89 int opt_have_ip = False;
  90 struct sockaddr_storage opt_dest_ip;
  91 bool smb_encrypt;
  92 struct libnetapi_ctx *netapi_ctx = NULL;
  93
  94 extern bool AllowDebugChange;
  95
  96 uint32 get_sec_channel_type(const char *param)
  97 {
  98         if (!(param && *param)) {
  99                 return get_default_sec_channel();
 100         } else {
 101                 if (strequal(param, "PDC")) {
 102                         return SEC_CHAN_BDC;
 103                 } else if (strequal(param, "BDC")) {
 104                         return SEC_CHAN_BDC;
 105                 } else if (strequal(param, "MEMBER")) {
 106                         return SEC_CHAN_WKSTA;
 107 #if 0
 108                 } else if (strequal(param, "DOMAIN")) {
 109                         return SEC_CHAN_DOMAIN;
 110 #endif
 111                 } else {
 112                         return get_default_sec_channel();
 113                 }
 114         }
 115 }
 116
 117 /*
 118   run a function from a function table. If not found then
 119   call the specified usage function
 120 */
 121 int net_run_function(int argc, const char **argv, struct functable *table,
 122                      int (*usage_fn)(int argc, const char **argv))
 123 {
 124         int i;
 125
 126         if (argc < 1) {
 127                 d_printf("\nUsage: \n");
 128                 return usage_fn(argc, argv);
 129         }
 130         for (i=0; table[i].funcname; i++) {
 131                 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
 132                         return table[i].fn(argc-1, argv+1);
 133         }
 134         d_fprintf(stderr, "No command: %s\n", argv[0]);
 135         return usage_fn(argc, argv);
 136 }
 137
 138 /*
 139  * run a function from a function table.
 140  */
 141 int net_run_function2(int argc, const char **argv, const char *whoami,
 142                       struct functable2 *table)
 143 {
 144         int i;
 145
 146         if (argc != 0) {
 147                 for (i=0; table[i].funcname; i++) {
 148                         if (StrCaseCmp(argv[0], table[i].funcname) == 0)
 149                                 return table[i].fn(argc-1, argv+1);
 150                 }
 151         }
 152
 153         for (i=0; table[i].funcname != NULL; i++) {
 154                 d_printf("%s %-15s %s\n", whoami, table[i].funcname,
 155                          table[i].helptext);
 156         }
 157
 158         return -1;
 159 }
 160
 161 /****************************************************************************
 162  Connect to \\server\service.
 163 ****************************************************************************/
 164
 165 NTSTATUS connect_to_service(struct cli_state **c,
 166                                         struct sockaddr_storage *server_ss,
 167                                         const char *server_name,
 168                                         const char *service_name,
 169                                         const char *service_type)
 170 {
 171         NTSTATUS nt_status;
 172
 173         opt_password = net_prompt_pass(opt_user_name);
 174         if (!opt_password) {
 175                 return NT_STATUS_NO_MEMORY;
 176         }
 177
 178         nt_status = cli_full_connection(c, NULL, server_name,
 179                                         server_ss, opt_port,
 180                                         service_name, service_type,
 181                                         opt_user_name, opt_workgroup,
 182                                         opt_password, 0, Undefined, NULL);
 183         if (!NT_STATUS_IS_OK(nt_status)) {
 184                 d_fprintf(stderr, "Could not connect to server %s\n", server_name);
 185
 186                 /* Display a nicer message depending on the result */
 187
 188                 if (NT_STATUS_V(nt_status) ==
 189                     NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
 190                         d_fprintf(stderr, "The username or password was not correct.\n");
 191
 192                 if (NT_STATUS_V(nt_status) ==
 193                     NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
 194                         d_fprintf(stderr, "The account was locked out.\n");
 195
 196                 if (NT_STATUS_V(nt_status) ==
 197                     NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
 198                         d_fprintf(stderr, "The account was disabled.\n");
 199                 return nt_status;
 200         }
 201
 202         if (smb_encrypt) {
 203                 nt_status = cli_force_encryption(*c,
 204                                         opt_user_name,
 205                                         opt_password,
 206                                         opt_workgroup);
 207
 208                 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_NOT_SUPPORTED)) {
 209                         d_printf("Encryption required and "
 210                                 "server that doesn't support "
 211                                 "UNIX extensions - failing connect\n");
 212                 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNKNOWN_REVISION)) {
 213                         d_printf("Encryption required and "
 214                                 "can't get UNIX CIFS extensions "
 215                                 "version from server.\n");
 216                 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNSUPPORTED_COMPRESSION)) {
 217                         d_printf("Encryption required and "
 218                                 "share %s doesn't support "
 219                                 "encryption.\n", service_name);
 220                 } else if (!NT_STATUS_IS_OK(nt_status)) {
 221                         d_printf("Encryption required and "
 222                                 "setup failed with error %s.\n",
 223                                 nt_errstr(nt_status));
 224                 }
 225
 226                 if (!NT_STATUS_IS_OK(nt_status)) {
 227                         cli_shutdown(*c);
 228                         *c = NULL;
 229                 }
 230         }
 231
 232         return nt_status;
 233 }
 234
 235 /****************************************************************************
 236  Connect to \\server\ipc$.
 237 ****************************************************************************/
 238
 239 NTSTATUS connect_to_ipc(struct cli_state **c,
 240                         struct sockaddr_storage *server_ss,
 241                         const char *server_name)
 242 {
 243         return connect_to_service(c, server_ss, server_name, "IPC$", "IPC");
 244 }
 245
 246 /****************************************************************************
 247  Connect to \\server\ipc$ anonymously.
 248 ****************************************************************************/
 249
 250 NTSTATUS connect_to_ipc_anonymous(struct cli_state **c,
 251                                 struct sockaddr_storage *server_ss,
 252                                 const char *server_name)
 253 {
 254         NTSTATUS nt_status;
 255
 256         nt_status = cli_full_connection(c, opt_requester_name, server_name,
 257                                         server_ss, opt_port,
 258                                         "IPC$", "IPC",
 259                                         "", "",
 260                                         "", 0, Undefined, NULL);
 261
 262         if (NT_STATUS_IS_OK(nt_status)) {
 263                 return nt_status;
 264         } else {
 265                 DEBUG(1,("Cannot connect to server (anonymously).  Error was %s\n", nt_errstr(nt_status)));
 266                 return nt_status;
 267         }
 268 }
 269
 270 /****************************************************************************
 271  Return malloced user@realm for krb5 login.
 272 ****************************************************************************/
 273
 274 static char *get_user_and_realm(const char *username)
 275 {
 276         char *user_and_realm = NULL;
 277
 278         if (!username) {
 279                 return NULL;
 280         }
 281         if (strchr_m(username, '@')) {
 282                 user_and_realm = SMB_STRDUP(username);
 283         } else {
 284                 if (asprintf(&user_and_realm, "%s@%s", username, lp_realm()) == -1) {
 285                         user_and_realm = NULL;
 286                 }
 287         }
 288         return user_and_realm;
 289 }
 290
 291 /****************************************************************************
 292  Connect to \\server\ipc$ using KRB5.
 293 ****************************************************************************/
 294
 295 NTSTATUS connect_to_ipc_krb5(struct cli_state **c,
 296                         struct sockaddr_storage *server_ss,
 297                         const char *server_name)
 298 {
 299         NTSTATUS nt_status;
 300         char *user_and_realm = NULL;
 301
 302         opt_password = net_prompt_pass(opt_user_name);
 303         if (!opt_password) {
 304                 return NT_STATUS_NO_MEMORY;
 305         }
 306
 307         user_and_realm = get_user_and_realm(opt_user_name);
 308         if (!user_and_realm) {
 309                 return NT_STATUS_NO_MEMORY;
 310         }
 311
 312         nt_status = cli_full_connection(c, NULL, server_name,
 313                                         server_ss, opt_port,
 314                                         "IPC$", "IPC",
 315                                         user_and_realm, opt_workgroup,
 316                                         opt_password, CLI_FULL_CONNECTION_USE_KERBEROS,
 317                                         Undefined, NULL);
 318
 319         SAFE_FREE(user_and_realm);
 320
 321         if (!NT_STATUS_IS_OK(nt_status)) {
 322                 DEBUG(1,("Cannot connect to server using kerberos.  Error was %s\n", nt_errstr(nt_status)));
 323                 return nt_status;
 324         }
 325
 326         if (smb_encrypt) {
 327                 nt_status = cli_cm_force_encryption(*c,
 328                                         user_and_realm,
 329                                         opt_password,
 330                                         opt_workgroup,
 331                                         "IPC$");
 332                 if (!NT_STATUS_IS_OK(nt_status)) {
 333                         cli_shutdown(*c);
 334                         *c = NULL;
 335                 }
 336         }
 337
 338         return nt_status;
 339 }
 340
 341 /**
 342  * Connect a server and open a given pipe
 343  *
 344  * @param cli_dst               A cli_state
 345  * @param pipe                  The pipe to open
 346  * @param got_pipe              boolean that stores if we got a pipe
 347  *
 348  * @return Normal NTSTATUS return.
 349  **/
 350 NTSTATUS connect_dst_pipe(struct cli_state **cli_dst, struct rpc_pipe_client **pp_pipe_hnd, int pipe_num)
 351 {
 352         NTSTATUS nt_status;
 353         char *server_name = SMB_STRDUP("127.0.0.1");
 354         struct cli_state *cli_tmp = NULL;
 355         struct rpc_pipe_client *pipe_hnd = NULL;
 356
 357         if (server_name == NULL) {
 358                 return NT_STATUS_NO_MEMORY;
 359         }
 360
 361         if (opt_destination) {
 362                 SAFE_FREE(server_name);
 363                 if ((server_name = SMB_STRDUP(opt_destination)) == NULL) {
 364                         return NT_STATUS_NO_MEMORY;
 365                 }
 366         }
 367
 368         /* make a connection to a named pipe */
 369         nt_status = connect_to_ipc(&cli_tmp, NULL, server_name);
 370         if (!NT_STATUS_IS_OK(nt_status)) {
 371                 SAFE_FREE(server_name);
 372                 return nt_status;
 373         }
 374
 375         pipe_hnd = cli_rpc_pipe_open_noauth(cli_tmp, pipe_num, &nt_status);
 376         if (!pipe_hnd) {
 377                 DEBUG(0, ("couldn't not initialize pipe\n"));
 378                 cli_shutdown(cli_tmp);
 379                 SAFE_FREE(server_name);
 380                 return nt_status;
 381         }
 382
 383         *cli_dst = cli_tmp;
 384         *pp_pipe_hnd = pipe_hnd;
 385         SAFE_FREE(server_name);
 386
 387         return nt_status;
 388 }
 389
 390 /****************************************************************************
 391  Use the local machine account (krb) and password for this session.
 392 ****************************************************************************/
 393
 394 int net_use_krb_machine_account(void)
 395 {
 396         char *user_name = NULL;
 397
 398         if (!secrets_init()) {
 399                 d_fprintf(stderr, "ERROR: Unable to open secrets database\n");
 400                 exit(1);
 401         }
 402
 403         opt_password = secrets_fetch_machine_password(opt_target_workgroup, NULL, NULL);
 404         if (asprintf(&user_name, "%s$@%s", global_myname(), lp_realm()) == -1) {
 405                 return -1;
 406         }
 407         opt_user_name = user_name;
 408         return 0;
 409 }
 410
 411 /****************************************************************************
 412  Use the machine account name and password for this session.
 413 ****************************************************************************/
 414
 415 int net_use_machine_account(void)
 416 {
 417         char *user_name = NULL;
 418
 419         if (!secrets_init()) {
 420                 d_fprintf(stderr, "ERROR: Unable to open secrets database\n");
 421                 exit(1);
 422         }
 423
 424         opt_password = secrets_fetch_machine_password(opt_target_workgroup, NULL, NULL);
 425         if (asprintf(&user_name, "%s$", global_myname()) == -1) {
 426                 return -1;
 427         }
 428         opt_user_name = user_name;
 429         return 0;
 430 }
 431
 432 bool net_find_server(const char *domain,
 433                         unsigned flags,
 434                         struct sockaddr_storage *server_ss,
 435                         char **server_name)
 436 {
 437         const char *d = domain ? domain : opt_target_workgroup;
 438
 439         if (opt_host) {
 440                 *server_name = SMB_STRDUP(opt_host);
 441         }
 442
 443         if (opt_have_ip) {
 444                 *server_ss = opt_dest_ip;
 445                 if (!*server_name) {
 446                         char addr[INET6_ADDRSTRLEN];
 447                         print_sockaddr(addr, sizeof(addr), &opt_dest_ip);
 448                         *server_name = SMB_STRDUP(addr);
 449                 }
 450         } else if (*server_name) {
 451                 /* resolve the IP address */
 452                 if (!resolve_name(*server_name, server_ss, 0x20))  {
 453                         DEBUG(1,("Unable to resolve server name\n"));
 454                         return false;
 455                 }
 456         } else if (flags & NET_FLAGS_PDC) {
 457                 fstring dc_name;
 458                 struct sockaddr_storage pdc_ss;
 459
 460                 if (!get_pdc_ip(d, &pdc_ss)) {
 461                         DEBUG(1,("Unable to resolve PDC server address\n"));
 462                         return false;
 463                 }
 464
 465                 if (is_zero_addr(&pdc_ss)) {
 466                         return false;
 467                 }
 468
 469                 if (!name_status_find(d, 0x1b, 0x20, &pdc_ss, dc_name)) {
 470                         return False;
 471                 }
 472
 473                 *server_name = SMB_STRDUP(dc_name);
 474                 *server_ss = pdc_ss;
 475         } else if (flags & NET_FLAGS_DMB) {
 476                 struct sockaddr_storage msbrow_ss;
 477                 char addr[INET6_ADDRSTRLEN];
 478
 479                 /*  if (!resolve_name(MSBROWSE, &msbrow_ip, 1)) */
 480                 if (!resolve_name(d, &msbrow_ss, 0x1B))  {
 481                         DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
 482                         return false;
 483                 }
 484                 *server_ss = msbrow_ss;
 485                 print_sockaddr(addr, sizeof(addr), server_ss);
 486                 *server_name = SMB_STRDUP(addr);
 487         } else if (flags & NET_FLAGS_MASTER) {
 488                 struct sockaddr_storage brow_ss;
 489                 char addr[INET6_ADDRSTRLEN];
 490                 if (!resolve_name(d, &brow_ss, 0x1D))  {
 491                                 /* go looking for workgroups */
 492                         DEBUG(1,("Unable to resolve master browser via name lookup\n"));
 493                         return false;
 494                 }
 495                 *server_ss = brow_ss;
 496                 print_sockaddr(addr, sizeof(addr), server_ss);
 497                 *server_name = SMB_STRDUP(addr);
 498         } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
 499                 if (!interpret_string_addr(server_ss,
 500                                         "127.0.0.1", AI_NUMERICHOST)) {
 501                         DEBUG(1,("Unable to resolve 127.0.0.1\n"));
 502                         return false;
 503                 }
 504                 *server_name = SMB_STRDUP("127.0.0.1");
 505         }
 506
 507         if (!*server_name) {
 508                 DEBUG(1,("no server to connect to\n"));
 509                 return False;
 510         }
 511
 512         return True;
 513 }
 514
 515 bool net_find_pdc(struct sockaddr_storage *server_ss,
 516                 fstring server_name,
 517                 const char *domain_name)
 518 {
 519         if (!get_pdc_ip(domain_name, server_ss)) {
 520                 return false;
 521         }
 522         if (is_zero_addr(server_ss)) {
 523                 return false;
 524         }
 525
 526         if (!name_status_find(domain_name, 0x1b, 0x20, server_ss, server_name)) {
 527                 return false;
 528         }
 529
 530         return true;
 531 }
 532
 533 NTSTATUS net_make_ipc_connection(unsigned flags, struct cli_state **pcli)
 534 {
 535         return net_make_ipc_connection_ex(NULL, NULL, NULL, flags, pcli);
 536 }
 537
 538 NTSTATUS net_make_ipc_connection_ex(const char *domain, const char *server,
 539                                     struct sockaddr_storage *pss, unsigned flags,
 540                                     struct cli_state **pcli)
 541 {
 542         char *server_name = NULL;
 543         struct sockaddr_storage server_ss;
 544         struct cli_state *cli = NULL;
 545         NTSTATUS nt_status;
 546
 547         if ( !server || !pss ) {
 548                 if (!net_find_server(domain, flags, &server_ss, &server_name)) {
 549                         d_fprintf(stderr, "Unable to find a suitable server\n");
 550                         nt_status = NT_STATUS_UNSUCCESSFUL;
 551                         goto done;
 552                 }
 553         } else {
 554                 server_name = SMB_STRDUP( server );
 555                 server_ss = *pss;
 556         }
 557
 558         if (flags & NET_FLAGS_ANONYMOUS) {
 559                 nt_status = connect_to_ipc_anonymous(&cli, &server_ss, server_name);
 560         } else {
 561                 nt_status = connect_to_ipc(&cli, &server_ss, server_name);
 562         }
 563
 564         /* store the server in the affinity cache if it was a PDC */
 565
 566         if ( (flags & NET_FLAGS_PDC) && NT_STATUS_IS_OK(nt_status) )
 567                 saf_store( cli->server_domain, cli->desthost );
 568
 569         SAFE_FREE(server_name);
 570         if (!NT_STATUS_IS_OK(nt_status)) {
 571                 d_fprintf(stderr, "Connection failed: %s\n",
 572                           nt_errstr(nt_status));
 573                 cli = NULL;
 574         }
 575
 576 done:
 577         if (pcli != NULL) {
 578                 *pcli = cli;
 579         }
 580         return nt_status;
 581 }
 582
 583 static int net_user(int argc, const char **argv)
 584 {
 585         if (net_ads_check() == 0)
 586                 return net_ads_user(argc, argv);
 587
 588         /* if server is not specified, default to PDC? */
 589         if (net_rpc_check(NET_FLAGS_PDC))
 590                 return net_rpc_user(argc, argv);
 591
 592         return net_rap_user(argc, argv);
 593 }
 594
 595 static int net_group(int argc, const char **argv)
 596 {
 597         if (net_ads_check() == 0)
 598                 return net_ads_group(argc, argv);
 599
 600         if (argc == 0 && net_rpc_check(NET_FLAGS_PDC))
 601                 return net_rpc_group(argc, argv);
 602
 603         return net_rap_group(argc, argv);
 604 }
 605
 606 static int net_join(int argc, const char **argv)
 607 {
 608         if (net_ads_check_our_domain() == 0) {
 609                 if (net_ads_join(argc, argv) == 0)
 610                         return 0;
 611                 else
 612                         d_fprintf(stderr, "ADS join did not work, falling back to RPC...\n");
 613         }
 614         return net_rpc_join(argc, argv);
 615 }
 616
 617 static int net_changetrustpw(int argc, const char **argv)
 618 {
 619         if (net_ads_check_our_domain() == 0)
 620                 return net_ads_changetrustpw(argc, argv);
 621
 622         return net_rpc_changetrustpw(argc, argv);
 623 }
 624
 625 static void set_line_buffering(FILE *f)
 626 {
 627         setvbuf(f, NULL, _IOLBF, 0);
 628 }
 629
 630 static int net_changesecretpw(int argc, const char **argv)
 631 {
 632         char *trust_pw;
 633         uint32 sec_channel_type = SEC_CHAN_WKSTA;
 634
 635         if(opt_force) {
 636                 if (opt_stdin) {
 637                         set_line_buffering(stdin);
 638                         set_line_buffering(stdout);
 639                         set_line_buffering(stderr);
 640                 }
 641
 642                 trust_pw = get_pass("Enter machine password: ", opt_stdin);
 643
 644                 if (!secrets_store_machine_password(trust_pw, lp_workgroup(), sec_channel_type)) {
 645                             d_fprintf(stderr, "Unable to write the machine account password in the secrets database");
 646                             return 1;
 647                 }
 648                 else {
 649                     d_printf("Modified trust account password in secrets database\n");
 650                 }
 651         }
 652         else {
 653                 d_printf("Machine account password change requires the -f flag.\n");
 654                 d_printf("Do NOT use this function unless you know what it does!\n");
 655                 d_printf("This function will change the ADS Domain member machine account password in the secrets.tdb file!\n");
 656         }
 657
 658         return 0;
 659 }
 660
 661 static int net_share(int argc, const char **argv)
 662 {
 663         if (net_rpc_check(0))
 664                 return net_rpc_share(argc, argv);
 665         return net_rap_share(argc, argv);
 666 }
 667
 668 static int net_file(int argc, const char **argv)
 669 {
 670         if (net_rpc_check(0))
 671                 return net_rpc_file(argc, argv);
 672         return net_rap_file(argc, argv);
 673 }
 674
 675 /*
 676  Retrieve our local SID or the SID for the specified name
 677  */
 678 static int net_getlocalsid(int argc, const char **argv)
 679 {
 680         DOM_SID sid;
 681         const char *name;
 682         fstring sid_str;
 683
 684         if (argc >= 1) {
 685                 name = argv[0];
 686         }
 687         else {
 688                 name = global_myname();
 689         }
 690
 691         if(!initialize_password_db(False, NULL)) {
 692                 DEBUG(0, ("WARNING: Could not open passdb - local sid may not reflect passdb\n"
 693                           "backend knowledge (such as the sid stored in LDAP)\n"));
 694         }
 695
 696         /* first check to see if we can even access secrets, so we don't
 697            panic when we can't. */
 698
 699         if (!secrets_init()) {
 700                 d_fprintf(stderr, "Unable to open secrets.tdb.  Can't fetch domain SID for name: %s\n", name);
 701                 return 1;
 702         }
 703
 704         /* Generate one, if it doesn't exist */
 705         get_global_sam_sid();
 706
 707         if (!secrets_fetch_domain_sid(name, &sid)) {
 708                 DEBUG(0, ("Can't fetch domain SID for name: %s\n", name));
 709                 return 1;
 710         }
 711         sid_to_fstring(sid_str, &sid);
 712         d_printf("SID for domain %s is: %s\n", name, sid_str);
 713         return 0;
 714 }
 715
 716 static int net_setlocalsid(int argc, const char **argv)
 717 {
 718         DOM_SID sid;
 719
 720         if ( (argc != 1)
 721              || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
 722              || (!string_to_sid(&sid, argv[0]))
 723              || (sid.num_auths != 4)) {
 724                 d_printf("usage: net setlocalsid S-1-5-21-x-y-z\n");
 725                 return 1;
 726         }
 727
 728         if (!secrets_store_domain_sid(global_myname(), &sid)) {
 729                 DEBUG(0,("Can't store domain SID as a pdc/bdc.\n"));
 730                 return 1;
 731         }
 732
 733         return 0;
 734 }
 735
 736 static int net_setdomainsid(int argc, const char **argv)
 737 {
 738         DOM_SID sid;
 739
 740         if ( (argc != 1)
 741              || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
 742              || (!string_to_sid(&sid, argv[0]))
 743              || (sid.num_auths != 4)) {
 744                 d_printf("usage: net setdomainsid S-1-5-21-x-y-z\n");
 745                 return 1;
 746         }
 747
 748         if (!secrets_store_domain_sid(lp_workgroup(), &sid)) {
 749                 DEBUG(0,("Can't store domain SID.\n"));
 750                 return 1;
 751         }
 752
 753         return 0;
 754 }
 755
 756 static int net_getdomainsid(int argc, const char **argv)
 757 {
 758         DOM_SID domain_sid;
 759         fstring sid_str;
 760
 761         if (argc > 0) {
 762                 d_printf("usage: net getdomainsid\n");
 763                 return 1;
 764         }
 765
 766         if(!initialize_password_db(False, NULL)) {
 767                 DEBUG(0, ("WARNING: Could not open passdb - domain SID may "
 768                           "not reflect passdb\n"
 769                           "backend knowledge (such as the SID stored in "
 770                           "LDAP)\n"));
 771         }
 772
 773         /* first check to see if we can even access secrets, so we don't
 774            panic when we can't. */
 775
 776         if (!secrets_init()) {
 777                 d_fprintf(stderr, "Unable to open secrets.tdb.  Can't fetch domain"
 778                                   "SID for name: %s\n", get_global_sam_name());
 779                 return 1;
 780         }
 781
 782         /* Generate one, if it doesn't exist */
 783         get_global_sam_sid();
 784
 785         if (!secrets_fetch_domain_sid(global_myname(), &domain_sid)) {
 786                 d_fprintf(stderr, "Could not fetch local SID\n");
 787                 return 1;
 788         }
 789         sid_to_fstring(sid_str, &domain_sid);
 790         d_printf("SID for local machine %s is: %s\n", global_myname(), sid_str);
 791
 792         if (!secrets_fetch_domain_sid(opt_workgroup, &domain_sid)) {
 793                 d_fprintf(stderr, "Could not fetch domain SID\n");
 794                 return 1;
 795         }
 796
 797         sid_to_fstring(sid_str, &domain_sid);
 798         d_printf("SID for domain %s is: %s\n", opt_workgroup, sid_str);
 799
 800         return 0;
 801 }
 802
 803 #ifdef WITH_FAKE_KASERVER
 804
 805 int net_help_afs(int argc, const char **argv)
 806 {
 807         d_printf("  net afs key filename\n"
 808                  "\tImports a OpenAFS KeyFile into our secrets.tdb\n\n");
 809         d_printf("  net afs impersonate <user> <cell>\n"
 810                  "\tCreates a token for user@cell\n\n");
 811         return -1;
 812 }
 813
 814 static int net_afs_key(int argc, const char **argv)
 815 {
 816         int fd;
 817         struct afs_keyfile keyfile;
 818
 819         if (argc != 2) {
 820                 d_printf("usage: 'net afs key <keyfile> cell'\n");
 821                 return -1;
 822         }
 823
 824         if (!secrets_init()) {
 825                 d_fprintf(stderr, "Could not open secrets.tdb\n");
 826                 return -1;
 827         }
 828
 829         if ((fd = open(argv[0], O_RDONLY, 0)) < 0) {
 830                 d_fprintf(stderr, "Could not open %s\n", argv[0]);
 831                 return -1;
 832         }
 833
 834         if (read(fd, &keyfile, sizeof(keyfile)) != sizeof(keyfile)) {
 835                 d_fprintf(stderr, "Could not read keyfile\n");
 836                 return -1;
 837         }
 838
 839         if (!secrets_store_afs_keyfile(argv[1], &keyfile)) {
 840                 d_fprintf(stderr, "Could not write keyfile to secrets.tdb\n");
 841                 return -1;
 842         }
 843
 844         return 0;
 845 }
 846
 847 static int net_afs_impersonate(int argc, const char **argv)
 848 {
 849         char *token;
 850
 851         if (argc != 2) {
 852                 fprintf(stderr, "Usage: net afs impersonate <user> <cell>\n");
 853                 exit(1);
 854         }
 855
 856         token = afs_createtoken_str(argv[0], argv[1]);
 857
 858         if (token == NULL) {
 859                 fprintf(stderr, "Could not create token\n");
 860                 exit(1);
 861         }
 862
 863         if (!afs_settoken_str(token)) {
 864                 fprintf(stderr, "Could not set token into kernel\n");
 865                 exit(1);
 866         }
 867
 868         printf("Success: %s@%s\n", argv[0], argv[1]);
 869         return 0;
 870 }
 871
 872 static int net_afs(int argc, const char **argv)
 873 {
 874         struct functable func[] = {
 875                 {"key", net_afs_key},
 876                 {"impersonate", net_afs_impersonate},
 877                 {"help", net_help_afs},
 878                 {NULL, NULL}
 879         };
 880         return net_run_function(argc, argv, func, net_help_afs);
 881 }
 882
 883 #endif /* WITH_FAKE_KASERVER */
 884
 885 static bool search_maxrid(struct pdb_search *search, const char *type,
 886                           uint32 *max_rid)
 887 {
 888         struct samr_displayentry *entries;
 889         uint32 i, num_entries;
 890
 891         if (search == NULL) {
 892                 d_fprintf(stderr, "get_maxrid: Could not search %s\n", type);
 893                 return False;
 894         }
 895
 896         num_entries = pdb_search_entries(search, 0, 0xffffffff, &entries);
 897         for (i=0; i<num_entries; i++)
 898                 *max_rid = MAX(*max_rid, entries[i].rid);
 899         pdb_search_destroy(search);
 900         return True;
 901 }
 902
 903 static uint32 get_maxrid(void)
 904 {
 905         uint32 max_rid = 0;
 906
 907         if (!search_maxrid(pdb_search_users(0), "users", &max_rid))
 908                 return 0;
 909
 910         if (!search_maxrid(pdb_search_groups(), "groups", &max_rid))
 911                 return 0;
 912
 913         if (!search_maxrid(pdb_search_aliases(get_global_sam_sid()),
 914                            "aliases", &max_rid))
 915                 return 0;
 916
 917         return max_rid;
 918 }
 919
 920 static int net_maxrid(int argc, const char **argv)
 921 {
 922         uint32 rid;
 923
 924         if (argc != 0) {
 925                 DEBUG(0, ("usage: net maxrid\n"));
 926                 return 1;
 927         }
 928
 929         if ((rid = get_maxrid()) == 0) {
 930                 DEBUG(0, ("can't get current maximum rid\n"));
 931                 return 1;
 932         }
 933
 934         d_printf("Currently used maximum rid: %d\n", rid);
 935
 936         return 0;
 937 }
 938
 939 /****************************************************************************
 940 ****************************************************************************/
 941
 942 const char *net_prompt_pass(const char *user)
 943 {
 944         char *prompt = NULL;
 945         const char *pass = NULL;
 946
 947         if (opt_password) {
 948                 return opt_password;
 949         }
 950
 951         if (opt_machine_pass) {
 952                 return NULL;
 953         }
 954
 955         asprintf(&prompt, "Enter %s's password:", user);
 956         if (!prompt) {
 957                 return NULL;
 958         }
 959
 960         pass = getpass(prompt);
 961         SAFE_FREE(prompt);
 962
 963         return pass;
 964 }
 965
 966 /* main function table */
 967 static struct functable net_func[] = {
 968         {"RPC", net_rpc},
 969         {"RAP", net_rap},
 970         {"ADS", net_ads},
 971
 972         /* eventually these should auto-choose the transport ... */
 973         {"FILE", net_file},
 974         {"SHARE", net_share},
 975         {"SESSION", net_rap_session},
 976         {"SERVER", net_rap_server},
 977         {"DOMAIN", net_rap_domain},
 978         {"PRINTQ", net_rap_printq},
 979         {"USER", net_user},
 980         {"GROUP", net_group},
 981         {"GROUPMAP", net_groupmap},
 982         {"SAM", net_sam},
 983         {"VALIDATE", net_rap_validate},
 984         {"GROUPMEMBER", net_rap_groupmember},
 985         {"ADMIN", net_rap_admin},
 986         {"SERVICE", net_rap_service},
 987         {"PASSWORD", net_rap_password},
 988         {"CHANGETRUSTPW", net_changetrustpw},
 989         {"CHANGESECRETPW", net_changesecretpw},
 990         {"TIME", net_time},
 991         {"LOOKUP", net_lookup},
 992         {"JOIN", net_join},
 993         {"DOM", net_dom},
 994         {"CACHE", net_cache},
 995         {"GETLOCALSID", net_getlocalsid},
 996         {"SETLOCALSID", net_setlocalsid},
 997         {"SETDOMAINSID", net_setdomainsid},
 998         {"GETDOMAINSID", net_getdomainsid},
 999         {"MAXRID", net_maxrid},
1000         {"IDMAP", net_idmap},
1001         {"STATUS", net_status},
1002         {"USERSHARE", net_usershare},
1003         {"USERSIDLIST", net_usersidlist},
1004         {"CONF", net_conf},
1005         {"REGISTRY", net_registry},
1006 #ifdef WITH_FAKE_KASERVER
1007         {"AFS", net_afs},
1008 #endif
1009
1010         {"HELP", net_help},
1011         {NULL, NULL}
1012 };
1013
1014
1015 /****************************************************************************
1016   main program
1017 ****************************************************************************/
1018  int main(int argc, const char **argv)
1019 {
1020         int opt,i;
1021         char *p;
1022         int rc = 0;
1023         int argc_new = 0;
1024         const char ** argv_new;
1025         poptContext pc;
1026
1027         struct poptOption long_options[] = {
1028                 {"help",        'h', POPT_ARG_NONE,   0, 'h'},
1029                 {"workgroup",   'w', POPT_ARG_STRING, &opt_target_workgroup},
1030                 {"user",        'U', POPT_ARG_STRING, &opt_user_name, 'U'},
1031                 {"ipaddress",   'I', POPT_ARG_STRING, 0,'I'},
1032                 {"port",        'p', POPT_ARG_INT,    &opt_port},
1033                 {"myname",      'n', POPT_ARG_STRING, &opt_requester_name},
1034                 {"server",      'S', POPT_ARG_STRING, &opt_host},
1035                 {"encrypt",     'e', POPT_ARG_NONE,   NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
1036                 {"container",   'c', POPT_ARG_STRING, &opt_container},
1037                 {"comment",     'C', POPT_ARG_STRING, &opt_comment},
1038                 {"maxusers",    'M', POPT_ARG_INT,    &opt_maxusers},
1039                 {"flags",       'F', POPT_ARG_INT,    &opt_flags},
1040                 {"long",        'l', POPT_ARG_NONE,   &opt_long_list_entries},
1041                 {"reboot",      'r', POPT_ARG_NONE,   &opt_reboot},
1042                 {"force",       'f', POPT_ARG_NONE,   &opt_force},
1043                 {"stdin",       'i', POPT_ARG_NONE,   &opt_stdin},
1044                 {"timeout",     't', POPT_ARG_INT,    &opt_timeout},
1045                 {"machine-pass",'P', POPT_ARG_NONE,   &opt_machine_pass},
1046                 {"myworkgroup", 'W', POPT_ARG_STRING, &opt_workgroup},
1047                 {"verbose",     'v', POPT_ARG_NONE,   &opt_verbose},
1048                 {"test",        'T', POPT_ARG_NONE,   &opt_testmode},
1049                 /* Options for 'net groupmap set' */
1050                 {"local",       'L', POPT_ARG_NONE,   &opt_localgroup},
1051                 {"domain",      'D', POPT_ARG_NONE,   &opt_domaingroup},
1052                 {"ntname",      'N', POPT_ARG_STRING, &opt_newntname},
1053                 {"rid",         'R', POPT_ARG_INT,    &opt_rid},
1054                 /* Options for 'net rpc share migrate' */
1055                 {"acls",        0, POPT_ARG_NONE,     &opt_acls},
1056                 {"attrs",       0, POPT_ARG_NONE,     &opt_attrs},
1057                 {"timestamps",  0, POPT_ARG_NONE,     &opt_timestamps},
1058                 {"exclude",     'X', POPT_ARG_STRING, &opt_exclude},
1059                 {"destination", 0, POPT_ARG_STRING,   &opt_destination},
1060                 {"tallocreport", 0, POPT_ARG_NONE, &do_talloc_report},
1061
1062                 POPT_COMMON_SAMBA
1063                 { 0, 0, 0, 0}
1064         };
1065
1066         TALLOC_CTX *frame = talloc_stackframe();
1067
1068         zero_addr(&opt_dest_ip);
1069
1070         load_case_tables();
1071
1072         /* set default debug level to 0 regardless of what smb.conf sets */
1073         DEBUGLEVEL_CLASS[DBGC_ALL] = 0;
1074         dbf = x_stderr;
1075
1076         pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
1077                             POPT_CONTEXT_KEEP_FIRST);
1078
1079         while((opt = poptGetNextOpt(pc)) != -1) {
1080                 switch (opt) {
1081                 case 'h':
1082                         net_help(argc, argv);
1083                         exit(0);
1084                         break;
1085                 case 'e':
1086                         smb_encrypt=true;
1087                         break;
1088                 case 'I':
1089                         if (!interpret_string_addr(&opt_dest_ip,
1090                                                 poptGetOptArg(pc), 0)) {
1091                                 d_fprintf(stderr, "\nInvalid ip address specified\n");
1092                         } else {
1093                                 opt_have_ip = True;
1094                         }
1095                         break;
1096                 case 'U':
1097                         opt_user_specified = True;
1098                         opt_user_name = SMB_STRDUP(opt_user_name);
1099                         p = strchr(opt_user_name,'%');
1100                         if (p) {
1101                                 *p = 0;
1102                                 opt_password = p+1;
1103                         }
1104                         break;
1105                 default:
1106                         d_fprintf(stderr, "\nInvalid option %s: %s\n",
1107                                  poptBadOption(pc, 0), poptStrerror(opt));
1108                         net_help(argc, argv);
1109                         exit(1);
1110                 }
1111         }
1112
1113         /*
1114          * Don't load debug level from smb.conf. It should be
1115          * set by cmdline arg or remain default (0)
1116          */
1117         AllowDebugChange = False;
1118         lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
1119
1120         argv_new = (const char **)poptGetArgs(pc);
1121
1122         argc_new = argc;
1123         for (i=0; i<argc; i++) {
1124                 if (argv_new[i] == NULL) {
1125                         argc_new = i;
1126                         break;
1127                 }
1128         }
1129
1130         if (do_talloc_report) {
1131                 talloc_enable_leak_report();
1132         }
1133
1134         if (opt_requester_name) {
1135                 set_global_myname(opt_requester_name);
1136         }
1137
1138         if (!opt_user_name && getenv("LOGNAME")) {
1139                 opt_user_name = getenv("LOGNAME");
1140         }
1141
1142         if (!opt_workgroup) {
1143                 opt_workgroup = smb_xstrdup(lp_workgroup());
1144         }
1145
1146         if (!opt_target_workgroup) {
1147                 opt_target_workgroup = smb_xstrdup(lp_workgroup());
1148         }
1149
1150         if (!init_names())
1151                 exit(1);
1152
1153         load_interfaces();
1154
1155         /* this makes sure that when we do things like call scripts,
1156            that it won't assert becouse we are not root */
1157         sec_init();
1158
1159         if (opt_machine_pass) {
1160                 /* it is very useful to be able to make ads queries as the
1161                    machine account for testing purposes and for domain leave */
1162
1163                 net_use_krb_machine_account();
1164         }
1165
1166         if (!opt_password) {
1167                 opt_password = getenv("PASSWD");
1168         }
1169
1170         rc = net_run_function(argc_new-1, argv_new+1, net_func, net_help);
1171
1172         DEBUG(2,("return code = %d\n", rc));
1173
1174         libnetapi_free(netapi_ctx);
1175
1176         TALLOC_FREE(frame);
1177         return rc;
1178 }