source3/utils/net_conf.c

   1 /*
   2  *  Samba Unix/Linux SMB client library
   3  *  Distributed SMB/CIFS Server Management Utility
   4  *  Local configuration interface
   5  *  Copyright (C) Michael Adam 2007-2008
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /*
  22  * This is an interface to the configuration stored inside the
  23  * samba registry. In the future there might be support for other
  24  * configuration backends as well.
  25  */
  26
  27 #include "includes.h"
  28 #include "utils/net.h"
  29 #include "libnet/libnet.h"
  30
  31 /*
  32  * usage functions
  33  */
  34
  35 static int net_conf_list_usage(int argc, const char **argv)
  36 {
  37         d_printf("USAGE: net conf list\n");
  38         return -1;
  39 }
  40
  41 static int net_conf_import_usage(int argc, const char**argv)
  42 {
  43         d_printf("USAGE: net conf import [--test|-T] <filename> "
  44                  "[<servicename>]\n"
  45                  "\t[--test|-T]    testmode - do not act, just print "
  46                                    "what would be done\n"
  47                  "\t<servicename>  only import service <servicename>, "
  48                                    "ignore the rest\n");
  49         return -1;
  50 }
  51
  52 static int net_conf_listshares_usage(int argc, const char **argv)
  53 {
  54         d_printf("USAGE: net conf listshares\n");
  55         return -1;
  56 }
  57
  58 static int net_conf_drop_usage(int argc, const char **argv)
  59 {
  60         d_printf("USAGE: net conf drop\n");
  61         return -1;
  62 }
  63
  64 static int net_conf_showshare_usage(int argc, const char **argv)
  65 {
  66         d_printf("USAGE: net conf showshare <sharename>\n");
  67         return -1;
  68 }
  69
  70 static int net_conf_addshare_usage(int argc, const char **argv)
  71 {
  72         d_printf("USAGE: net conf addshare <sharename> <path> "
  73                  "[writeable={y|N} [guest_ok={y|N} [<comment>]]\n"
  74                  "\t<sharename>      the new share name.\n"
  75                  "\t<path>           the path on the filesystem to export.\n"
  76                  "\twriteable={y|N}  set \"writeable to \"yes\" or "
  77                  "\"no\" (default) on this share.\n"
  78                  "\tguest_ok={y|N}   set \"guest ok\" to \"yes\" or "
  79                  "\"no\" (default)   on this share.\n"
  80                  "\t<comment>        optional comment for the new share.\n");
  81         return -1;
  82 }
  83
  84 static int net_conf_delshare_usage(int argc, const char **argv)
  85 {
  86         d_printf("USAGE: net conf delshare <sharename>\n");
  87         return -1;
  88 }
  89
  90 static int net_conf_setparm_usage(int argc, const char **argv)
  91 {
  92         d_printf("USAGE: net conf setparm <section> <param> <value>\n");
  93         return -1;
  94 }
  95
  96 static int net_conf_getparm_usage(int argc, const char **argv)
  97 {
  98         d_printf("USAGE: net conf getparm <section> <param>\n");
  99         return -1;
 100 }
 101
 102 static int net_conf_delparm_usage(int argc, const char **argv)
 103 {
 104         d_printf("USAGE: net conf delparm <section> <param>\n");
 105         return -1;
 106 }
 107
 108
 109 /*
 110  * Helper functions
 111  */
 112
 113 static char *parm_valstr(TALLOC_CTX *ctx, struct parm_struct *parm,
 114                          struct share_params *share)
 115 {
 116         char *valstr = NULL;
 117         int i = 0;
 118         void *ptr = parm->ptr;
 119
 120         if (parm->p_class == P_LOCAL && share->service >= 0) {
 121                 ptr = lp_local_ptr(share->service, ptr);
 122         }
 123
 124         switch (parm->type) {
 125         case P_CHAR:
 126                 valstr = talloc_asprintf(ctx, "%c", *(char *)ptr);
 127                 break;
 128         case P_STRING:
 129         case P_USTRING:
 130                 valstr = talloc_asprintf(ctx, "%s", *(char **)ptr);
 131                 break;
 132         case P_BOOL:
 133                 valstr = talloc_asprintf(ctx, "%s", BOOLSTR(*(bool *)ptr));
 134                 break;
 135         case P_BOOLREV:
 136                 valstr = talloc_asprintf(ctx, "%s", BOOLSTR(!*(bool *)ptr));
 137                 break;
 138         case P_ENUM:
 139                 for (i = 0; parm->enum_list[i].name; i++) {
 140                         if (*(int *)ptr == parm->enum_list[i].value)
 141                         {
 142                                 valstr = talloc_asprintf(ctx, "%s",
 143                                          parm->enum_list[i].name);
 144                                 break;
 145                         }
 146                 }
 147                 break;
 148         case P_OCTAL: {
 149                 char *o = octal_string(*(int *)ptr);
 150                 valstr = talloc_move(ctx, &o);
 151                 break;
 152         }
 153         case P_LIST:
 154                 valstr = talloc_strdup(ctx, "");
 155                 if ((char ***)ptr && *(char ***)ptr) {
 156                         char **list = *(char ***)ptr;
 157                         for (; *list; list++) {
 158                                 /* surround strings with whitespace
 159                                  * in double quotes */
 160                                 if (strchr_m(*list, ' '))
 161                                 {
 162                                         valstr = talloc_asprintf_append(
 163                                                 valstr, "\"%s\"%s",
 164                                                 *list,
 165                                                  ((*(list+1))?", ":""));
 166                                 } else {
 167                                         valstr = talloc_asprintf_append(
 168                                                 valstr, "%s%s", *list,
 169                                                  ((*(list+1))?", ":""));
 170                                 }
 171                         }
 172                 }
 173                 break;
 174         case P_INTEGER:
 175                 valstr = talloc_asprintf(ctx, "%d", *(int *)ptr);
 176                 break;
 177         case P_SEP:
 178                 break;
 179         default:
 180                 valstr = talloc_asprintf(ctx, "<type unimplemented>\n");
 181                 break;
 182         }
 183
 184         return valstr;
 185 }
 186
 187 static int import_process_service(TALLOC_CTX *ctx,
 188                                   struct share_params *share)
 189 {
 190         int ret = -1;
 191         struct parm_struct *parm;
 192         int pnum = 0;
 193         const char *servicename;
 194         WERROR werr;
 195         char *valstr = NULL;
 196         TALLOC_CTX *tmp_ctx = NULL;
 197
 198         tmp_ctx = talloc_new(ctx);
 199         if (tmp_ctx == NULL) {
 200                 werr = WERR_NOMEM;
 201                 goto done;
 202         }
 203
 204         servicename = (share->service == GLOBAL_SECTION_SNUM)?
 205                 GLOBAL_NAME : lp_servicename(share->service);
 206
 207         if (opt_testmode) {
 208                 d_printf("[%s]\n", servicename);
 209         } else {
 210                 if (libnet_conf_share_exists(servicename)) {
 211                         werr = libnet_conf_delete_share(servicename);
 212                         if (!W_ERROR_IS_OK(werr)) {
 213                                 goto done;
 214                         }
 215                 }
 216         }
 217
 218         while ((parm = lp_next_parameter(share->service, &pnum, 0)))
 219         {
 220                 if ((share->service < 0) && (parm->p_class == P_LOCAL)
 221                     && !(parm->flags & FLAG_GLOBAL))
 222                 {
 223                         continue;
 224                 }
 225
 226                 valstr = parm_valstr(tmp_ctx, parm, share);
 227
 228                 if (parm->type != P_SEP) {
 229                         if (opt_testmode) {
 230                                 d_printf("\t%s = %s\n", parm->label, valstr);
 231                         } else {
 232                                 werr = libnet_conf_set_parameter(servicename,
 233                                                                  parm->label,
 234                                                                  valstr);
 235                                 if (!W_ERROR_IS_OK(werr)) {
 236                                         d_fprintf(stderr,
 237                                                   "Error setting parameter '%s'"
 238                                                   ": %s\n", parm->label,
 239                                                    dos_errstr(werr));
 240                                         goto done;
 241                                 }
 242                         }
 243                 }
 244         }
 245
 246         if (opt_testmode) {
 247                 d_printf("\n");
 248         }
 249
 250         ret = 0;
 251
 252 done:
 253         TALLOC_FREE(tmp_ctx);
 254         return ret;
 255 }
 256
 257 /* return true iff there are nondefault globals */
 258 static bool globals_exist(void)
 259 {
 260         int i = 0;
 261         struct parm_struct *parm;
 262
 263         while ((parm = lp_next_parameter(GLOBAL_SECTION_SNUM, &i, 0)) != NULL) {
 264                 if (parm->type != P_SEP) {
 265                         return true;
 266                 }
 267         }
 268         return false;
 269 }
 270
 271 /*
 272  * the conf functions
 273  */
 274
 275 static int net_conf_list(int argc, const char **argv)
 276 {
 277         WERROR werr = WERR_OK;
 278         int ret = -1;
 279         TALLOC_CTX *ctx;
 280         uint32_t num_shares;
 281         char **share_names;
 282         uint32_t *num_params;
 283         char ***param_names;
 284         char ***param_values;
 285         uint32_t share_count, param_count;
 286
 287         ctx = talloc_init("list");
 288
 289         if (argc != 0) {
 290                 net_conf_list_usage(argc, argv);
 291                 goto done;
 292         }
 293
 294         werr = libnet_conf_get_config(ctx, &num_shares, &share_names,
 295                                       &num_params, &param_names,
 296                                       &param_values);
 297         if (!W_ERROR_IS_OK(werr)) {
 298                 d_fprintf(stderr, "Error getting config: %s\n",
 299                           dos_errstr(werr));
 300                 goto done;
 301         }
 302
 303         for (share_count = 0; share_count < num_shares; share_count++) {
 304                 d_printf("[%s]\n", share_names[share_count]);
 305                 for (param_count = 0; param_count < num_params[share_count];
 306                      param_count++)
 307                 {
 308                         d_printf("\t%s = %s\n",
 309                                  param_names[share_count][param_count],
 310                                  param_values[share_count][param_count]);
 311                 }
 312                 d_printf("\n");
 313         }
 314
 315         ret = 0;
 316
 317 done:
 318         TALLOC_FREE(ctx);
 319         return ret;
 320 }
 321
 322 static int net_conf_import(int argc, const char **argv)
 323 {
 324         int ret = -1;
 325         const char *filename = NULL;
 326         const char *servicename = NULL;
 327         bool service_found = false;
 328         TALLOC_CTX *ctx;
 329         struct share_iterator *shares;
 330         struct share_params *share;
 331         struct share_params global_share = { GLOBAL_SECTION_SNUM };
 332
 333         ctx = talloc_init("net_conf_import");
 334
 335         switch (argc) {
 336                 case 0:
 337                 default:
 338                         net_conf_import_usage(argc, argv);
 339                         goto done;
 340                 case 2:
 341                         servicename = argv[1];
 342                 case 1:
 343                         filename = argv[0];
 344                         break;
 345         }
 346
 347         DEBUG(3,("net_conf_import: reading configuration from file %s.\n",
 348                 filename));
 349
 350         if (!lp_load(filename,
 351                      false,     /* global_only */
 352                      true,      /* save_defaults */
 353                      false,     /* add_ipc */
 354                      true))     /* initialize_globals */
 355         {
 356                 d_fprintf(stderr, "Error parsing configuration file.\n");
 357                 goto done;
 358         }
 359
 360         if (opt_testmode) {
 361                 d_printf("\nTEST MODE - "
 362                          "would import the following configuration:\n\n");
 363         }
 364
 365         if (((servicename == NULL) && globals_exist()) ||
 366             strequal(servicename, GLOBAL_NAME))
 367         {
 368                 service_found = true;
 369                 if (import_process_service(ctx, &global_share) != 0) {
 370                         goto done;
 371                 }
 372         }
 373
 374         if (service_found && (servicename != NULL)) {
 375                 ret = 0;
 376                 goto done;
 377         }
 378
 379         if (!(shares = share_list_all(ctx))) {
 380                 d_fprintf(stderr, "Could not list shares...\n");
 381                 goto done;
 382         }
 383         while ((share = next_share(shares)) != NULL) {
 384                 if ((servicename == NULL)
 385                     || strequal(servicename, lp_servicename(share->service)))
 386                 {
 387                         service_found = true;
 388                         if (import_process_service(ctx, share)!= 0) {
 389                                 goto done;
 390                         }
 391                 }
 392         }
 393
 394         if ((servicename != NULL) && !service_found) {
 395                 d_printf("Share %s not found in file %s\n",
 396                          servicename, filename);
 397                 goto done;
 398
 399         }
 400
 401         ret = 0;
 402
 403 done:
 404         TALLOC_FREE(ctx);
 405         return ret;
 406 }
 407
 408 static int net_conf_listshares(int argc, const char **argv)
 409 {
 410         WERROR werr = WERR_OK;
 411         int ret = -1;
 412         uint32_t count, num_shares = 0;
 413         char **share_names = NULL;
 414         TALLOC_CTX *ctx;
 415
 416         ctx = talloc_init("listshares");
 417
 418         if (argc != 0) {
 419                 net_conf_listshares_usage(argc, argv);
 420                 goto done;
 421         }
 422
 423         werr = libnet_conf_get_share_names(ctx, &num_shares, &share_names);
 424         if (!W_ERROR_IS_OK(werr)) {
 425                 goto done;
 426         }
 427
 428         for (count = 0; count < num_shares; count++)
 429         {
 430                 d_printf("%s\n", share_names[count]);
 431         }
 432
 433         ret = 0;
 434
 435 done:
 436         TALLOC_FREE(ctx);
 437         return ret;
 438 }
 439
 440 static int net_conf_drop(int argc, const char **argv)
 441 {
 442         int ret = -1;
 443         WERROR werr;
 444
 445         if (argc != 0) {
 446                 net_conf_drop_usage(argc, argv);
 447                 goto done;
 448         }
 449
 450         werr = libnet_conf_drop();
 451         if (!W_ERROR_IS_OK(werr)) {
 452                 d_fprintf(stderr, "Error deleting configuration: %s\n",
 453                           dos_errstr(werr));
 454                 goto done;
 455         }
 456
 457         ret = 0;
 458
 459 done:
 460         return ret;
 461 }
 462
 463 static int net_conf_showshare(int argc, const char **argv)
 464 {
 465         int ret = -1;
 466         WERROR werr = WERR_OK;
 467         const char *sharename = NULL;
 468         TALLOC_CTX *ctx;
 469         uint32_t num_params;
 470         uint32_t count;
 471         char **param_names;
 472         char **param_values;
 473
 474         ctx = talloc_init("showshare");
 475
 476         if (argc != 1) {
 477                 net_conf_showshare_usage(argc, argv);
 478                 goto done;
 479         }
 480
 481         sharename = argv[0];
 482
 483         werr = libnet_conf_get_share(ctx, sharename, &num_params,
 484                                      &param_names, &param_values);
 485         if (!W_ERROR_IS_OK(werr)) {
 486                 d_printf("error getting share parameters: %s\n",
 487                          dos_errstr(werr));
 488                 goto done;
 489         }
 490
 491         d_printf("[%s]\n", sharename);
 492
 493         for (count = 0; count < num_params; count++) {
 494                 d_printf("\t%s = %s\n", param_names[count],
 495                          param_values[count]);
 496         }
 497
 498         ret = 0;
 499
 500 done:
 501         TALLOC_FREE(ctx);
 502         return ret;
 503 }
 504
 505 /**
 506  * Add a share, with a couple of standard parameters, partly optional.
 507  *
 508  * This is a high level utility function of the net conf utility,
 509  * not a direct frontend to the libnet_conf API.
 510  */
 511 static int net_conf_addshare(int argc, const char **argv)
 512 {
 513         int ret = -1;
 514         WERROR werr = WERR_OK;
 515         char *sharename = NULL;
 516         const char *path = NULL;
 517         const char *comment = NULL;
 518         const char *guest_ok = "no";
 519         const char *writeable = "no";
 520         SMB_STRUCT_STAT sbuf;
 521
 522         switch (argc) {
 523                 case 0:
 524                 case 1:
 525                 default:
 526                         net_conf_addshare_usage(argc, argv);
 527                         goto done;
 528                 case 5:
 529                         comment = argv[4];
 530                 case 4:
 531                         if (!strnequal(argv[3], "guest_ok=", 9)) {
 532                                 net_conf_addshare_usage(argc, argv);
 533                                 goto done;
 534                         }
 535                         switch (argv[3][9]) {
 536                                 case 'y':
 537                                 case 'Y':
 538                                         guest_ok = "yes";
 539                                         break;
 540                                 case 'n':
 541                                 case 'N':
 542                                         guest_ok = "no";
 543                                         break;
 544                                 default:
 545                                         net_conf_addshare_usage(argc, argv);
 546                                         goto done;
 547                         }
 548                 case 3:
 549                         if (!strnequal(argv[2], "writeable=", 10)) {
 550                                 net_conf_addshare_usage(argc, argv);
 551                                 goto done;
 552                         }
 553                         switch (argv[2][10]) {
 554                                 case 'y':
 555                                 case 'Y':
 556                                         writeable = "yes";
 557                                         break;
 558                                 case 'n':
 559                                 case 'N':
 560                                         writeable = "no";
 561                                         break;
 562                                 default:
 563                                         net_conf_addshare_usage(argc, argv);
 564                                         goto done;
 565                         }
 566                 case 2:
 567                         path = argv[1];
 568                         sharename = strdup_lower(argv[0]);
 569                         break;
 570         }
 571
 572         /*
 573          * validate arguments
 574          */
 575
 576         /* validate share name */
 577
 578         if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS,
 579                                strlen(sharename)))
 580         {
 581                 d_fprintf(stderr, "ERROR: share name %s contains "
 582                         "invalid characters (any of %s)\n",
 583                         sharename, INVALID_SHARENAME_CHARS);
 584                 goto done;
 585         }
 586
 587         if (getpwnam(sharename)) {
 588                 d_fprintf(stderr, "ERROR: share name %s is already a valid "
 589                           "system user name.\n", sharename);
 590                 goto done;
 591         }
 592
 593         if (strequal(sharename, GLOBAL_NAME)) {
 594                 d_fprintf(stderr,
 595                           "ERROR: 'global' is not a valid share name.\n");
 596                 goto done;
 597         }
 598
 599         if (libnet_conf_share_exists(sharename)) {
 600                 d_fprintf(stderr, "ERROR: share %s already exists.\n",
 601                           sharename);
 602                 goto done;
 603         }
 604
 605         /* validate path */
 606
 607         if (path[0] != '/') {
 608                 d_fprintf(stderr,
 609                           "Error: path '%s' is not an absolute path.\n",
 610                           path);
 611                 goto done;
 612         }
 613
 614         if (sys_stat(path, &sbuf) != 0) {
 615                 d_fprintf(stderr,
 616                           "ERROR: cannot stat path '%s' to ensure "
 617                           "this is a directory.\n"
 618                           "Error was '%s'.\n",
 619                           path, strerror(errno));
 620                 goto done;
 621         }
 622
 623         if (!S_ISDIR(sbuf.st_mode)) {
 624                 d_fprintf(stderr,
 625                           "ERROR: path '%s' is not a directory.\n",
 626                           path);
 627                 goto done;
 628         }
 629
 630         /*
 631          * create the share
 632          */
 633
 634         werr = libnet_conf_create_share(sharename);
 635         if (!W_ERROR_IS_OK(werr)) {
 636                 d_fprintf(stderr, "Error creating share %s: %s\n",
 637                           sharename, dos_errstr(werr));
 638                 goto done;
 639         }
 640
 641         /*
 642          * fill the share with parameters
 643          */
 644
 645         werr = libnet_conf_set_parameter(sharename, "path", path);
 646         if (!W_ERROR_IS_OK(werr)) {
 647                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
 648                           "path", dos_errstr(werr));
 649                 goto done;
 650         }
 651
 652         if (comment != NULL) {
 653                 werr = libnet_conf_set_parameter(sharename, "comment", comment);
 654                 if (!W_ERROR_IS_OK(werr)) {
 655                         d_fprintf(stderr, "Error setting parameter %s: %s\n",
 656                                   "comment", dos_errstr(werr));
 657                         goto done;
 658                 }
 659         }
 660
 661         werr = libnet_conf_set_parameter(sharename, "guest ok", guest_ok);
 662         if (!W_ERROR_IS_OK(werr)) {
 663                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
 664                           "'guest ok'", dos_errstr(werr));
 665                 goto done;
 666         }
 667
 668         werr = libnet_conf_set_parameter(sharename, "writeable", writeable);
 669         if (!W_ERROR_IS_OK(werr)) {
 670                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
 671                           "writeable", dos_errstr(werr));
 672                 goto done;
 673         }
 674
 675         ret = 0;
 676
 677 done:
 678         SAFE_FREE(sharename);
 679         return ret;
 680 }
 681
 682 static int net_conf_delshare(int argc, const char **argv)
 683 {
 684         int ret = -1;
 685         const char *sharename = NULL;
 686         WERROR werr = WERR_OK;
 687
 688         if (argc != 1) {
 689                 net_conf_delshare_usage(argc, argv);
 690                 goto done;
 691         }
 692         sharename = argv[0];
 693
 694         werr = libnet_conf_delete_share(sharename);
 695         if (!W_ERROR_IS_OK(werr)) {
 696                 d_fprintf(stderr, "Error deleting share %s: %s\n",
 697                           sharename, dos_errstr(werr));
 698                 goto done;
 699         }
 700
 701         ret = 0;
 702 done:
 703         return ret;
 704 }
 705
 706 static int net_conf_setparm(int argc, const char **argv)
 707 {
 708         int ret = -1;
 709         WERROR werr = WERR_OK;
 710         char *service = NULL;
 711         char *param = NULL;
 712         const char *value_str = NULL;
 713
 714         if (argc != 3) {
 715                 net_conf_setparm_usage(argc, argv);
 716                 goto done;
 717         }
 718         service = strdup_lower(argv[0]);
 719         param = strdup_lower(argv[1]);
 720         value_str = argv[2];
 721
 722         if (!libnet_conf_share_exists(service)) {
 723                 werr = libnet_conf_create_share(service);
 724                 if (!W_ERROR_IS_OK(werr)) {
 725                         d_fprintf(stderr, "Error creating share '%s': %s\n",
 726                                   service, dos_errstr(werr));
 727                         goto done;
 728                 }
 729         }
 730
 731         werr = libnet_conf_set_parameter(service, param, value_str);
 732
 733         if (!W_ERROR_IS_OK(werr)) {
 734                 d_fprintf(stderr, "Error setting value '%s': %s\n",
 735                           param, dos_errstr(werr));
 736                 goto done;
 737         }
 738
 739         ret = 0;
 740
 741 done:
 742         SAFE_FREE(service);
 743         SAFE_FREE(param);
 744         return ret;
 745 }
 746
 747 static int net_conf_getparm(int argc, const char **argv)
 748 {
 749         int ret = -1;
 750         WERROR werr = WERR_OK;
 751         char *service = NULL;
 752         char *param = NULL;
 753         char *valstr = NULL;
 754         TALLOC_CTX *ctx;
 755
 756         ctx = talloc_init("getparm");
 757
 758         if (argc != 2) {
 759                 net_conf_getparm_usage(argc, argv);
 760                 goto done;
 761         }
 762         service = strdup_lower(argv[0]);
 763         param = strdup_lower(argv[1]);
 764
 765         werr = libnet_conf_get_parameter(ctx, service, param, &valstr);
 766
 767         if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
 768                 d_fprintf(stderr,
 769                           "Error: given service '%s' does not exist.\n",
 770                           service);
 771                 goto done;
 772         } else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
 773                 d_fprintf(stderr,
 774                           "Error: given parameter '%s' is not set.\n",
 775                           param);
 776                 goto done;
 777         } else if (!W_ERROR_IS_OK(werr)) {
 778                 d_fprintf(stderr, "Error getting value '%s': %s.\n",
 779                           param, dos_errstr(werr));
 780                 goto done;
 781         }
 782
 783         d_printf("%s\n", valstr);
 784
 785         ret = 0;
 786 done:
 787         SAFE_FREE(service);
 788         SAFE_FREE(param);
 789         TALLOC_FREE(ctx);
 790         return ret;
 791 }
 792
 793 static int net_conf_delparm(int argc, const char **argv)
 794 {
 795         int ret = -1;
 796         WERROR werr = WERR_OK;
 797         char *service = NULL;
 798         char *param = NULL;
 799
 800         if (argc != 2) {
 801                 net_conf_delparm_usage(argc, argv);
 802                 goto done;
 803         }
 804         service = strdup_lower(argv[0]);
 805         param = strdup_lower(argv[1]);
 806
 807         werr = libnet_conf_delete_parameter(service, param);
 808
 809         if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
 810                 d_fprintf(stderr,
 811                           "Error: given service '%s' does not exist.\n",
 812                           service);
 813                 goto done;
 814         } else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
 815                 d_fprintf(stderr,
 816                           "Error: given parameter '%s' is not set.\n",
 817                           param);
 818                 goto done;
 819         } else if (!W_ERROR_IS_OK(werr)) {
 820                 d_fprintf(stderr, "Error deleting value '%s': %s.\n",
 821                           param, dos_errstr(werr));
 822                 goto done;
 823         }
 824
 825         ret = 0;
 826
 827 done:
 828         SAFE_FREE(service);
 829         SAFE_FREE(param);
 830         return ret;
 831 }
 832
 833 /*
 834  * Entry-point for all the CONF functions.
 835  */
 836
 837 int net_conf(int argc, const char **argv)
 838 {
 839         int ret = -1;
 840         struct functable2 func[] = {
 841                 {"list", net_conf_list,
 842                  "Dump the complete configuration in smb.conf like format."},
 843                 {"import", net_conf_import,
 844                  "Import configuration from file in smb.conf format."},
 845                 {"listshares", net_conf_listshares,
 846                  "List the registry shares."},
 847                 {"drop", net_conf_drop,
 848                  "Delete the complete configuration from registry."},
 849                 {"showshare", net_conf_showshare,
 850                  "Show the definition of a registry share."},
 851                 {"addshare", net_conf_addshare,
 852                  "Create a new registry share."},
 853                 {"delshare", net_conf_delshare,
 854                  "Delete a registry share."},
 855                 {"setparm", net_conf_setparm,
 856                  "Store a parameter."},
 857                 {"getparm", net_conf_getparm,
 858                  "Retrieve the value of a parameter."},
 859                 {"delparm", net_conf_delparm,
 860                  "Delete a parameter."},
 861                 {NULL, NULL, NULL}
 862         };
 863
 864         ret = net_run_function2(argc, argv, "net conf", func);
 865
 866         return ret;
 867 }
 868