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 Samba's configuration as made available
  23  * by the libsmbconf interface (source/lib/smbconf/smbconf.c).
  24  *
  25  * This currently supports local interaction with the configuration
  26  * stored in the registry. But other backends and remote access via
  27  * rpc might get implemented in the future.
  28  */
  29
  30 #include "includes.h"
  31 #include "system/filesys.h"
  32 #include "utils/net.h"
  33 #include "lib/smbconf/smbconf.h"
  34 #include "lib/smbconf/smbconf_init.h"
  35 #include "lib/smbconf/smbconf_reg.h"
  36
  37 /**********************************************************************
  38  *
  39  * usage functions
  40  *
  41  **********************************************************************/
  42
  43 static int net_conf_list_usage(struct net_context *c, int argc,
  44                                const char **argv)
  45 {
  46         d_printf("%s net conf list\n", _("Usage:"));
  47         return -1;
  48 }
  49
  50 static int net_conf_import_usage(struct net_context *c, int argc,
  51                                  const char**argv)
  52 {
  53         d_printf("%s\n%s",
  54                  _("Usage:"),
  55                  _(" net conf import [--test|-T] <filename> "
  56                    "[<servicename>]\n"
  57                    "\t[--test|-T]    testmode - do not act, just print "
  58                         "what would be done\n"
  59                    "\t<servicename>  only import service <servicename>, "
  60                         "ignore the rest\n"));
  61         return -1;
  62 }
  63
  64 static int net_conf_listshares_usage(struct net_context *c, int argc,
  65                                      const char **argv)
  66 {
  67         d_printf("%s\nnet conf listshares\n", _("Usage:"));
  68         return -1;
  69 }
  70
  71 static int net_conf_drop_usage(struct net_context *c, int argc,
  72                                const char **argv)
  73 {
  74         d_printf("%s\nnet conf drop\n", _("Usage:"));
  75         return -1;
  76 }
  77
  78 static int net_conf_showshare_usage(struct net_context *c, int argc,
  79                                     const char **argv)
  80 {
  81         d_printf("%s\n%s",
  82                  _("Usage:"),
  83                  _("net conf showshare <sharename>\n"));
  84         return -1;
  85 }
  86
  87 static int net_conf_addshare_usage(struct net_context *c, int argc,
  88                                    const char **argv)
  89 {
  90         d_printf("%s\n%s",
  91                  _("Usage:"),
  92                  _(" net conf addshare <sharename> <path> "
  93                    "[writeable={y|N} [guest_ok={y|N} [<comment>]]\n"
  94                    "\t<sharename>      the new share name.\n"
  95                    "\t<path>           the path on the filesystem to export.\n"
  96                    "\twriteable={y|N}  set \"writeable to \"yes\" or "
  97                    "\"no\" (default) on this share.\n"
  98                    "\tguest_ok={y|N}   set \"guest ok\" to \"yes\" or "
  99                    "\"no\" (default)   on this share.\n"
 100                    "\t<comment>        optional comment for the new share.\n"));
 101         return -1;
 102 }
 103
 104 static int net_conf_delshare_usage(struct net_context *c, int argc,
 105                                    const char **argv)
 106 {
 107         d_printf("%s\n%s",
 108                  _("Usage:"),
 109                  _("net conf delshare <sharename>\n"));
 110         return -1;
 111 }
 112
 113 static int net_conf_setparm_usage(struct net_context *c, int argc,
 114                                   const char **argv)
 115 {
 116         d_printf("%s\n%s",
 117                  _("Usage:"),
 118                  _(" net conf setparm <section> <param> <value>\n"));
 119         return -1;
 120 }
 121
 122 static int net_conf_getparm_usage(struct net_context *c, int argc,
 123                                   const char **argv)
 124 {
 125         d_printf("%s\n%s",
 126                  _("Usage:"),
 127                  _(" net conf getparm <section> <param>\n"));
 128         return -1;
 129 }
 130
 131 static int net_conf_delparm_usage(struct net_context *c, int argc,
 132                                   const char **argv)
 133 {
 134         d_printf("%s\n%s",
 135                  _("Usage:"),
 136                  _(" net conf delparm <section> <param>\n"));
 137         return -1;
 138 }
 139
 140 static int net_conf_getincludes_usage(struct net_context *c, int argc,
 141                                       const char **argv)
 142 {
 143         d_printf("%s\n%s",
 144                  _("Usage:"),
 145                  _(" net conf getincludes <section>\n"));
 146         return -1;
 147 }
 148
 149 static int net_conf_setincludes_usage(struct net_context *c, int argc,
 150                                       const char **argv)
 151 {
 152         d_printf("%s\n%s",
 153                  _("Usage:"),
 154                  _(" net conf setincludes <section> [<filename>]*\n"));
 155         return -1;
 156 }
 157
 158 static int net_conf_delincludes_usage(struct net_context *c, int argc,
 159                                       const char **argv)
 160 {
 161         d_printf("%s\n%s",
 162                 _("Usage:"),
 163                 _(" net conf delincludes <section>\n"));
 164         return -1;
 165 }
 166
 167
 168 /**********************************************************************
 169  *
 170  * Helper functions
 171  *
 172  **********************************************************************/
 173
 174 /**
 175  * This functions process a service previously loaded with libsmbconf.
 176  */
 177 static sbcErr import_process_service(struct net_context *c,
 178                                      struct smbconf_ctx *conf_ctx,
 179                                      struct smbconf_service *service)
 180 {
 181         uint32_t idx;
 182         sbcErr err = SBC_ERR_OK;
 183         uint32_t num_includes = 0;
 184         char **includes = NULL;
 185         TALLOC_CTX *mem_ctx = talloc_stackframe();
 186
 187         if (c->opt_testmode) {
 188                 const char *indent = "";
 189                 if (service->name != NULL) {
 190                         d_printf("[%s]\n", service->name);
 191                         indent = "\t";
 192                 }
 193                 for (idx = 0; idx < service->num_params; idx++) {
 194                         d_printf("%s%s = %s\n", indent,
 195                                  service->param_names[idx],
 196                                  service->param_values[idx]);
 197                 }
 198                 d_printf("\n");
 199                 goto done;
 200         }
 201
 202         if (smbconf_share_exists(conf_ctx, service->name)) {
 203                 err = smbconf_delete_share(conf_ctx, service->name);
 204                 if (!SBC_ERROR_IS_OK(err)) {
 205                         goto done;
 206                 }
 207         }
 208         err = smbconf_create_share(conf_ctx, service->name);
 209         if (!SBC_ERROR_IS_OK(err)) {
 210                 goto done;
 211         }
 212
 213         for (idx = 0; idx < service->num_params; idx ++) {
 214                 if (strequal(service->param_names[idx], "include")) {
 215                         includes = talloc_realloc(mem_ctx,
 216                                                         includes,
 217                                                         char *,
 218                                                         num_includes+1);
 219                         if (includes == NULL) {
 220                                 err = SBC_ERR_NOMEM;
 221                                 goto done;
 222                         }
 223                         includes[num_includes] = talloc_strdup(includes,
 224                                                 service->param_values[idx]);
 225                         if (includes[num_includes] == NULL) {
 226                                 err = SBC_ERR_NOMEM;
 227                                 goto done;
 228                         }
 229                         num_includes++;
 230                 } else {
 231                         err = smbconf_set_parameter(conf_ctx,
 232                                                      service->name,
 233                                                      service->param_names[idx],
 234                                                      service->param_values[idx]);
 235                         if (!SBC_ERROR_IS_OK(err)) {
 236                                 d_fprintf(stderr,
 237                                           _("Error in section [%s], parameter \"%s\": %s\n"),
 238                                           service->name, service->param_names[idx],
 239                                           sbcErrorString(err));
 240                                 goto done;
 241                         }
 242                 }
 243         }
 244
 245         err = smbconf_set_includes(conf_ctx, service->name, num_includes,
 246                                    (const char **)includes);
 247         if (!SBC_ERROR_IS_OK(err)) {
 248                 goto done;
 249         }
 250
 251         err = SBC_ERR_OK;
 252 done:
 253         TALLOC_FREE(mem_ctx);
 254         return err;
 255 }
 256
 257
 258 /**********************************************************************
 259  *
 260  * the main conf functions
 261  *
 262  **********************************************************************/
 263
 264 static int net_conf_list(struct net_context *c, struct smbconf_ctx *conf_ctx,
 265                          int argc, const char **argv)
 266 {
 267         sbcErr err;
 268         int ret = -1;
 269         TALLOC_CTX *mem_ctx;
 270         uint32_t num_shares;
 271         uint32_t share_count, param_count;
 272         struct smbconf_service **shares = NULL;
 273
 274         mem_ctx = talloc_stackframe();
 275
 276         if (argc != 0 || c->display_usage) {
 277                 net_conf_list_usage(c, argc, argv);
 278                 goto done;
 279         }
 280
 281         err = smbconf_get_config(conf_ctx, mem_ctx, &num_shares, &shares);
 282         if (!SBC_ERROR_IS_OK(err)) {
 283                 d_fprintf(stderr, _("Error getting config: %s\n"),
 284                           sbcErrorString(err));
 285                 goto done;
 286         }
 287
 288         for (share_count = 0; share_count < num_shares; share_count++) {
 289                 const char *indent = "";
 290                 if (shares[share_count]->name != NULL) {
 291                         d_printf("[%s]\n", shares[share_count]->name);
 292                         indent = "\t";
 293                 }
 294                 for (param_count = 0;
 295                      param_count < shares[share_count]->num_params;
 296                      param_count++)
 297                 {
 298                         d_printf("%s%s = %s\n",
 299                                  indent,
 300                                  shares[share_count]->param_names[param_count],
 301                                  shares[share_count]->param_values[param_count]);
 302                 }
 303                 d_printf("\n");
 304         }
 305
 306         ret = 0;
 307
 308 done:
 309         TALLOC_FREE(mem_ctx);
 310         return ret;
 311 }
 312
 313 static int net_conf_import(struct net_context *c, struct smbconf_ctx *conf_ctx,
 314                            int argc, const char **argv)
 315 {
 316         int ret = -1;
 317         const char *filename = NULL;
 318         const char *servicename = NULL;
 319         char *conf_source = NULL;
 320         TALLOC_CTX *mem_ctx;
 321         struct smbconf_ctx *txt_ctx;
 322         sbcErr err;
 323
 324         if (c->display_usage)
 325                 return net_conf_import_usage(c, argc, argv);
 326
 327         mem_ctx = talloc_stackframe();
 328
 329         switch (argc) {
 330                 case 0:
 331                 default:
 332                         net_conf_import_usage(c, argc, argv);
 333                         goto done;
 334                 case 2:
 335                         servicename = talloc_strdup(mem_ctx, argv[1]);
 336                         if (servicename == NULL) {
 337                                 d_printf(_("error: out of memory!\n"));
 338                                 goto done;
 339                         }
 340                 case 1:
 341                         filename = argv[0];
 342                         break;
 343         }
 344
 345         DEBUG(3,("net_conf_import: reading configuration from file %s.\n",
 346                 filename));
 347
 348         conf_source = talloc_asprintf(mem_ctx, "file:%s", filename);
 349         if (conf_source == NULL) {
 350                 d_printf(_("error: out of memory!\n"));
 351                 goto done;
 352         }
 353
 354         err = smbconf_init(mem_ctx, &txt_ctx, conf_source);
 355         if (!SBC_ERROR_IS_OK(err)) {
 356                 d_printf(_("error loading file '%s': %s\n"), filename,
 357                          sbcErrorString(err));
 358                 goto done;
 359         }
 360
 361         if (c->opt_testmode) {
 362                 d_printf(_("\nTEST MODE - "
 363                          "would import the following configuration:\n\n"));
 364         }
 365
 366         if (servicename != NULL) {
 367                 struct smbconf_service *service = NULL;
 368
 369                 err = smbconf_get_share(txt_ctx, mem_ctx,
 370                                         servicename,
 371                                         &service);
 372                 if (!SBC_ERROR_IS_OK(err)) {
 373                         goto cancel;
 374                 }
 375
 376                 err = smbconf_transaction_start(conf_ctx);
 377                 if (!SBC_ERROR_IS_OK(err)) {
 378                         d_printf(_("error starting transaction: %s\n"),
 379                                  sbcErrorString(err));
 380                         goto done;
 381                 }
 382
 383                 err = import_process_service(c, conf_ctx, service);
 384                 if (!SBC_ERROR_IS_OK(err)) {
 385                         goto cancel;
 386                 }
 387         } else {
 388                 struct smbconf_service **services = NULL;
 389                 uint32_t num_shares, sidx;
 390
 391                 err = smbconf_get_config(txt_ctx, mem_ctx,
 392                                           &num_shares,
 393                                           &services);
 394                 if (!SBC_ERROR_IS_OK(err)) {
 395                         goto cancel;
 396                 }
 397                 if (!c->opt_testmode) {
 398                         if (!SBC_ERROR_IS_OK(smbconf_drop(conf_ctx))) {
 399                                 goto cancel;
 400                         }
 401                 }
 402
 403                 /*
 404                  * Wrap the importing of shares into a transaction,
 405                  * but only 100 at a time, in order to save memory.
 406                  * The allocated memory accumulates across the actions
 407                  * within the transaction, and for me, some 1500
 408                  * imported shares, the MAX_TALLOC_SIZE of 256 MB
 409                  * was exceeded.
 410                  */
 411                 err = smbconf_transaction_start(conf_ctx);
 412                 if (!SBC_ERROR_IS_OK(err)) {
 413                         d_printf(_("error starting transaction: %s\n"),
 414                                  sbcErrorString(err));
 415                         goto done;
 416                 }
 417
 418                 for (sidx = 0; sidx < num_shares; sidx++) {
 419                         err = import_process_service(c, conf_ctx,
 420                                                      services[sidx]);
 421                         if (!SBC_ERROR_IS_OK(err)) {
 422                                 goto cancel;
 423                         }
 424
 425                         if (sidx % 100) {
 426                                 continue;
 427                         }
 428
 429                         err = smbconf_transaction_commit(conf_ctx);
 430                         if (!SBC_ERROR_IS_OK(err)) {
 431                                 d_printf(_("error committing transaction: "
 432                                            "%s\n"),
 433                                          sbcErrorString(err));
 434                                 goto done;
 435                         }
 436                         err = smbconf_transaction_start(conf_ctx);
 437                         if (!SBC_ERROR_IS_OK(err)) {
 438                                 d_printf(_("error starting transaction: %s\n"),
 439                                          sbcErrorString(err));
 440                                 goto done;
 441                         }
 442                 }
 443         }
 444
 445         err = smbconf_transaction_commit(conf_ctx);
 446         if (!SBC_ERROR_IS_OK(err)) {
 447                 d_printf(_("error committing transaction: %s\n"),
 448                          sbcErrorString(err));
 449         } else {
 450                 ret = 0;
 451         }
 452
 453         goto done;
 454
 455 cancel:
 456         err = smbconf_transaction_cancel(conf_ctx);
 457         if (!SBC_ERROR_IS_OK(err)) {
 458                 d_printf(_("error cancelling transaction: %s\n"),
 459                          sbcErrorString(err));
 460         }
 461
 462 done:
 463         TALLOC_FREE(mem_ctx);
 464         return ret;
 465 }
 466
 467 static int net_conf_listshares(struct net_context *c,
 468                                struct smbconf_ctx *conf_ctx, int argc,
 469                                const char **argv)
 470 {
 471         sbcErr err;
 472         int ret = -1;
 473         uint32_t count, num_shares = 0;
 474         char **share_names = NULL;
 475         TALLOC_CTX *mem_ctx;
 476
 477         mem_ctx = talloc_stackframe();
 478
 479         if (argc != 0 || c->display_usage) {
 480                 net_conf_listshares_usage(c, argc, argv);
 481                 goto done;
 482         }
 483
 484         err = smbconf_get_share_names(conf_ctx, mem_ctx, &num_shares,
 485                                       &share_names);
 486         if (!SBC_ERROR_IS_OK(err)) {
 487                 goto done;
 488         }
 489
 490         for (count = 0; count < num_shares; count++)
 491         {
 492                 d_printf("%s\n", share_names[count]);
 493         }
 494
 495         ret = 0;
 496
 497 done:
 498         TALLOC_FREE(mem_ctx);
 499         return ret;
 500 }
 501
 502 static int net_conf_drop(struct net_context *c, struct smbconf_ctx *conf_ctx,
 503                          int argc, const char **argv)
 504 {
 505         int ret = -1;
 506         sbcErr err;
 507
 508         if (argc != 0 || c->display_usage) {
 509                 net_conf_drop_usage(c, argc, argv);
 510                 goto done;
 511         }
 512
 513         err = smbconf_drop(conf_ctx);
 514         if (!SBC_ERROR_IS_OK(err)) {
 515                 d_fprintf(stderr, _("Error deleting configuration: %s\n"),
 516                           sbcErrorString(err));
 517                 goto done;
 518         }
 519
 520         ret = 0;
 521
 522 done:
 523         return ret;
 524 }
 525
 526 static int net_conf_showshare(struct net_context *c,
 527                               struct smbconf_ctx *conf_ctx, int argc,
 528                               const char **argv)
 529 {
 530         int ret = -1;
 531         sbcErr err;
 532         const char *sharename = NULL;
 533         TALLOC_CTX *mem_ctx;
 534         uint32_t count;
 535         struct smbconf_service *service = NULL;
 536
 537         mem_ctx = talloc_stackframe();
 538
 539         if (argc != 1 || c->display_usage) {
 540                 net_conf_showshare_usage(c, argc, argv);
 541                 goto done;
 542         }
 543
 544         sharename = talloc_strdup(mem_ctx, argv[0]);
 545         if (sharename == NULL) {
 546                 d_printf("error: out of memory!\n");
 547                 goto done;
 548         }
 549
 550         err = smbconf_get_share(conf_ctx, mem_ctx, sharename, &service);
 551         if (!SBC_ERROR_IS_OK(err)) {
 552                 d_printf(_("error getting share parameters: %s\n"),
 553                          sbcErrorString(err));
 554                 goto done;
 555         }
 556
 557         d_printf("[%s]\n", service->name);
 558
 559         for (count = 0; count < service->num_params; count++) {
 560                 d_printf("\t%s = %s\n", service->param_names[count],
 561                          service->param_values[count]);
 562         }
 563
 564         ret = 0;
 565
 566 done:
 567         TALLOC_FREE(mem_ctx);
 568         return ret;
 569 }
 570
 571 /**
 572  * Add a share, with a couple of standard parameters, partly optional.
 573  *
 574  * This is a high level utility function of the net conf utility,
 575  * not a direct frontend to the smbconf API.
 576  */
 577 static int net_conf_addshare(struct net_context *c,
 578                              struct smbconf_ctx *conf_ctx, int argc,
 579                              const char **argv)
 580 {
 581         int ret = -1;
 582         sbcErr err;
 583         char *sharename = NULL;
 584         const char *path = NULL;
 585         const char *comment = NULL;
 586         const char *guest_ok = "no";
 587         const char *writeable = "no";
 588         TALLOC_CTX *mem_ctx = talloc_stackframe();
 589
 590         if (c->display_usage) {
 591                 net_conf_addshare_usage(c, argc, argv);
 592                 ret = 0;
 593                 goto done;
 594         }
 595
 596         switch (argc) {
 597                 case 0:
 598                 case 1:
 599                 default:
 600                         net_conf_addshare_usage(c, argc, argv);
 601                         goto done;
 602                 case 5:
 603                         comment = argv[4];
 604                 case 4:
 605                         if (!strnequal(argv[3], "guest_ok=", 9)) {
 606                                 net_conf_addshare_usage(c, argc, argv);
 607                                 goto done;
 608                         }
 609                         switch (argv[3][9]) {
 610                                 case 'y':
 611                                 case 'Y':
 612                                         guest_ok = "yes";
 613                                         break;
 614                                 case 'n':
 615                                 case 'N':
 616                                         guest_ok = "no";
 617                                         break;
 618                                 default:
 619                                         net_conf_addshare_usage(c, argc, argv);
 620                                         goto done;
 621                         }
 622                 case 3:
 623                         if (!strnequal(argv[2], "writeable=", 10)) {
 624                                 net_conf_addshare_usage(c, argc, argv);
 625                                 goto done;
 626                         }
 627                         switch (argv[2][10]) {
 628                                 case 'y':
 629                                 case 'Y':
 630                                         writeable = "yes";
 631                                         break;
 632                                 case 'n':
 633                                 case 'N':
 634                                         writeable = "no";
 635                                         break;
 636                                 default:
 637                                         net_conf_addshare_usage(c, argc, argv);
 638                                         goto done;
 639                         }
 640                 case 2:
 641                         path = argv[1];
 642                         sharename = talloc_strdup(mem_ctx, argv[0]);
 643                         if (sharename == NULL) {
 644                                 d_printf(_("error: out of memory!\n"));
 645                                 goto done;
 646                         }
 647
 648                         break;
 649         }
 650
 651         /*
 652          * validate arguments
 653          */
 654
 655         /* validate share name */
 656
 657         if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS,
 658                                strlen(sharename)))
 659         {
 660                 d_fprintf(stderr, _("ERROR: share name %s contains "
 661                         "invalid characters (any of %s)\n"),
 662                         sharename, INVALID_SHARENAME_CHARS);
 663                 goto done;
 664         }
 665
 666         if (strequal(sharename, GLOBAL_NAME)) {
 667                 d_fprintf(stderr,
 668                           _("ERROR: 'global' is not a valid share name.\n"));
 669                 goto done;
 670         }
 671
 672         if (smbconf_share_exists(conf_ctx, sharename)) {
 673                 d_fprintf(stderr, _("ERROR: share %s already exists.\n"),
 674                           sharename);
 675                 goto done;
 676         }
 677
 678         /* validate path */
 679
 680         if (path[0] != '/') {
 681                 d_fprintf(stderr,
 682                           _("Error: path '%s' is not an absolute path.\n"),
 683                           path);
 684                 goto done;
 685         }
 686
 687         /*
 688          * start a transaction
 689          */
 690
 691         err = smbconf_transaction_start(conf_ctx);
 692         if (!SBC_ERROR_IS_OK(err)) {
 693                 d_printf("error starting transaction: %s\n",
 694                          sbcErrorString(err));
 695                 goto done;
 696         }
 697
 698         /*
 699          * create the share
 700          */
 701
 702         err = smbconf_create_share(conf_ctx, sharename);
 703         if (!SBC_ERROR_IS_OK(err)) {
 704                 d_fprintf(stderr, _("Error creating share %s: %s\n"),
 705                           sharename, sbcErrorString(err));
 706                 goto cancel;
 707         }
 708
 709         /*
 710          * fill the share with parameters
 711          */
 712
 713         err = smbconf_set_parameter(conf_ctx, sharename, "path", path);
 714         if (!SBC_ERROR_IS_OK(err)) {
 715                 d_fprintf(stderr, _("Error setting parameter %s: %s\n"),
 716                           "path", sbcErrorString(err));
 717                 goto cancel;
 718         }
 719
 720         if (comment != NULL) {
 721                 err = smbconf_set_parameter(conf_ctx, sharename, "comment",
 722                                             comment);
 723                 if (!SBC_ERROR_IS_OK(err)) {
 724                         d_fprintf(stderr, _("Error setting parameter %s: %s\n"),
 725                                   "comment", sbcErrorString(err));
 726                         goto cancel;
 727                 }
 728         }
 729
 730         err = smbconf_set_parameter(conf_ctx, sharename, "guest ok", guest_ok);
 731         if (!SBC_ERROR_IS_OK(err)) {
 732                 d_fprintf(stderr, _("Error setting parameter %s: %s\n"),
 733                           "'guest ok'", sbcErrorString(err));
 734                 goto cancel;
 735         }
 736
 737         err = smbconf_set_parameter(conf_ctx, sharename, "writeable",
 738                                     writeable);
 739         if (!SBC_ERROR_IS_OK(err)) {
 740                 d_fprintf(stderr, _("Error setting parameter %s: %s\n"),
 741                           "writeable", sbcErrorString(err));
 742                 goto cancel;
 743         }
 744
 745         /*
 746          * commit the whole thing
 747          */
 748
 749         err = smbconf_transaction_commit(conf_ctx);
 750         if (!SBC_ERROR_IS_OK(err)) {
 751                 d_printf("error committing transaction: %s\n",
 752                          sbcErrorString(err));
 753         } else {
 754                 ret = 0;
 755         }
 756
 757         goto done;
 758
 759 cancel:
 760         err = smbconf_transaction_cancel(conf_ctx);
 761         if (!SBC_ERROR_IS_OK(err)) {
 762                 d_printf("error cancelling transaction: %s\n",
 763                          sbcErrorString(err));
 764         }
 765
 766 done:
 767         TALLOC_FREE(mem_ctx);
 768         return ret;
 769 }
 770
 771 static int net_conf_delshare(struct net_context *c,
 772                              struct smbconf_ctx *conf_ctx, int argc,
 773                              const char **argv)
 774 {
 775         int ret = -1;
 776         const char *sharename = NULL;
 777         sbcErr err;
 778         TALLOC_CTX *mem_ctx = talloc_stackframe();
 779
 780         if (argc != 1 || c->display_usage) {
 781                 net_conf_delshare_usage(c, argc, argv);
 782                 goto done;
 783         }
 784         sharename = talloc_strdup(mem_ctx, argv[0]);
 785         if (sharename == NULL) {
 786                 d_printf(_("error: out of memory!\n"));
 787                 goto done;
 788         }
 789
 790         err = smbconf_delete_share(conf_ctx, sharename);
 791         if (!SBC_ERROR_IS_OK(err)) {
 792                 d_fprintf(stderr, _("Error deleting share %s: %s\n"),
 793                           sharename, sbcErrorString(err));
 794                 goto done;
 795         }
 796
 797         ret = 0;
 798 done:
 799         TALLOC_FREE(mem_ctx);
 800         return ret;
 801 }
 802
 803 static int net_conf_setparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
 804                             int argc, const char **argv)
 805 {
 806         int ret = -1;
 807         sbcErr err;
 808         char *service = NULL;
 809         char *param = NULL;
 810         const char *value_str = NULL;
 811         TALLOC_CTX *mem_ctx = talloc_stackframe();
 812
 813         if (argc != 3 || c->display_usage) {
 814                 net_conf_setparm_usage(c, argc, argv);
 815                 goto done;
 816         }
 817         /*
 818          * NULL service name means "dangling parameters" to libsmbconf.
 819          * We use the empty string from the command line for this purpose.
 820          */
 821         if (strlen(argv[0]) != 0) {
 822                 service = talloc_strdup(mem_ctx, argv[0]);
 823                 if (service == NULL) {
 824                         d_printf(_("error: out of memory!\n"));
 825                         goto done;
 826                 }
 827         }
 828         param = strlower_talloc(mem_ctx, argv[1]);
 829         if (param == NULL) {
 830                 d_printf(_("error: out of memory!\n"));
 831                 goto done;
 832         }
 833         value_str = argv[2];
 834
 835         err = smbconf_transaction_start(conf_ctx);
 836         if (!SBC_ERROR_IS_OK(err)) {
 837                 d_printf(_("error starting transaction: %s\n"),
 838                          sbcErrorString(err));
 839                 goto done;
 840         }
 841
 842         if (!smbconf_share_exists(conf_ctx, service)) {
 843                 err = smbconf_create_share(conf_ctx, service);
 844                 if (!SBC_ERROR_IS_OK(err)) {
 845                         d_fprintf(stderr, _("Error creating share '%s': %s\n"),
 846                                   service, sbcErrorString(err));
 847                         goto cancel;
 848                 }
 849         }
 850
 851         err = smbconf_set_parameter(conf_ctx, service, param, value_str);
 852         if (!SBC_ERROR_IS_OK(err)) {
 853                 d_fprintf(stderr, _("Error setting value '%s': %s\n"),
 854                           param, sbcErrorString(err));
 855                 goto cancel;
 856         }
 857
 858         err = smbconf_transaction_commit(conf_ctx);
 859         if (!SBC_ERROR_IS_OK(err)) {
 860                 d_printf(_("error committing transaction: %s\n"),
 861                          sbcErrorString(err));
 862         } else {
 863                 ret = 0;
 864         }
 865
 866         goto done;
 867
 868 cancel:
 869         err = smbconf_transaction_cancel(conf_ctx);
 870         if (!SBC_ERROR_IS_OK(err)) {
 871                 d_printf(_("error cancelling transaction: %s\n"),
 872                          sbcErrorString(err));
 873         }
 874
 875 done:
 876         TALLOC_FREE(mem_ctx);
 877         return ret;
 878 }
 879
 880 static int net_conf_getparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
 881                             int argc, const char **argv)
 882 {
 883         int ret = -1;
 884         sbcErr err;
 885         char *service = NULL;
 886         char *param = NULL;
 887         char *valstr = NULL;
 888         TALLOC_CTX *mem_ctx;
 889
 890         mem_ctx = talloc_stackframe();
 891
 892         if (argc != 2 || c->display_usage) {
 893                 net_conf_getparm_usage(c, argc, argv);
 894                 goto done;
 895         }
 896         /*
 897          * NULL service name means "dangling parameters" to libsmbconf.
 898          * We use the empty string from the command line for this purpose.
 899          */
 900         if (strlen(argv[0]) != 0) {
 901                 service = talloc_strdup(mem_ctx, argv[0]);
 902                 if (service == NULL) {
 903                         d_printf(_("error: out of memory!\n"));
 904                         goto done;
 905                 }
 906         }
 907         param = strlower_talloc(mem_ctx, argv[1]);
 908         if (param == NULL) {
 909                 d_printf(_("error: out of memory!\n"));
 910                 goto done;
 911         }
 912
 913         err = smbconf_get_parameter(conf_ctx, mem_ctx, service, param, &valstr);
 914         if (SBC_ERROR_EQUAL(err, SBC_ERR_NO_SUCH_SERVICE)) {
 915                 d_fprintf(stderr,
 916                           _("Error: given service '%s' does not exist.\n"),
 917                           service);
 918                 goto done;
 919         } else if (SBC_ERROR_EQUAL(err, SBC_ERR_INVALID_PARAM)) {
 920                 d_fprintf(stderr,
 921                           _("Error: given parameter '%s' is not set.\n"),
 922                           param);
 923                 goto done;
 924         } else if (!SBC_ERROR_IS_OK(err)) {
 925                 d_fprintf(stderr, _("Error getting value '%s': %s.\n"),
 926                           param, sbcErrorString(err));
 927                 goto done;
 928         }
 929
 930         d_printf("%s\n", valstr);
 931
 932         ret = 0;
 933 done:
 934         TALLOC_FREE(mem_ctx);
 935         return ret;
 936 }
 937
 938 static int net_conf_delparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
 939                             int argc, const char **argv)
 940 {
 941         int ret = -1;
 942         sbcErr err;
 943         char *service = NULL;
 944         char *param = NULL;
 945         TALLOC_CTX *mem_ctx = talloc_stackframe();
 946
 947         if (argc != 2 || c->display_usage) {
 948                 net_conf_delparm_usage(c, argc, argv);
 949                 goto done;
 950         }
 951         /*
 952          * NULL service name means "dangling parameters" to libsmbconf.
 953          * We use the empty string from the command line for this purpose.
 954          */
 955         if (strlen(argv[0]) != 0) {
 956                 service = talloc_strdup(mem_ctx, argv[0]);
 957                 if (service == NULL) {
 958                         d_printf(_("error: out of memory!\n"));
 959                         goto done;
 960                 }
 961         }
 962         param = strlower_talloc(mem_ctx, argv[1]);
 963         if (param == NULL) {
 964                 d_printf("error: out of memory!\n");
 965                 goto done;
 966         }
 967
 968         err = smbconf_delete_parameter(conf_ctx, service, param);
 969         if (SBC_ERROR_EQUAL(err, SBC_ERR_NO_SUCH_SERVICE)) {
 970                 d_fprintf(stderr,
 971                           _("Error: given service '%s' does not exist.\n"),
 972                           service);
 973                 goto done;
 974         } else if (SBC_ERROR_EQUAL(err, SBC_ERR_INVALID_PARAM)) {
 975                 d_fprintf(stderr,
 976                           _("Error: given parameter '%s' is not set.\n"),
 977                           param);
 978                 goto done;
 979         } else if (!SBC_ERROR_IS_OK(err)) {
 980                 d_fprintf(stderr, _("Error deleting value '%s': %s.\n"),
 981                           param, sbcErrorString(err));
 982                 goto done;
 983         }
 984
 985         ret = 0;
 986
 987 done:
 988         TALLOC_FREE(mem_ctx);
 989         return ret;
 990 }
 991
 992 static int net_conf_getincludes(struct net_context *c,
 993                                 struct smbconf_ctx *conf_ctx,
 994                                 int argc, const char **argv)
 995 {
 996         sbcErr err;
 997         uint32_t num_includes;
 998         uint32_t count;
 999         char *service;
1000         char **includes = NULL;
1001         int ret = -1;
1002         TALLOC_CTX *mem_ctx = talloc_stackframe();
1003
1004         if (argc != 1 || c->display_usage) {
1005                 net_conf_getincludes_usage(c, argc, argv);
1006                 goto done;
1007         }
1008
1009         service = talloc_strdup(mem_ctx, argv[0]);
1010         if (service == NULL) {
1011                 d_printf(_("error: out of memory!\n"));
1012                 goto done;
1013         }
1014
1015         err = smbconf_get_includes(conf_ctx, mem_ctx, service,
1016                                     &num_includes, &includes);
1017         if (!SBC_ERROR_IS_OK(err)) {
1018                 d_printf(_("error getting includes: %s\n"), sbcErrorString(err));
1019                 goto done;
1020         }
1021
1022         for (count = 0; count < num_includes; count++) {
1023                 d_printf("include = %s\n", includes[count]);
1024         }
1025
1026         ret = 0;
1027
1028 done:
1029         TALLOC_FREE(mem_ctx);
1030         return ret;
1031 }
1032
1033 static int net_conf_setincludes(struct net_context *c,
1034                                 struct smbconf_ctx *conf_ctx,
1035                                 int argc, const char **argv)
1036 {
1037         sbcErr err;
1038         char *service;
1039         uint32_t num_includes;
1040         const char **includes;
1041         int ret = -1;
1042         TALLOC_CTX *mem_ctx = talloc_stackframe();
1043
1044         if (argc < 1 || c->display_usage) {
1045                 net_conf_setincludes_usage(c, argc, argv);
1046                 goto done;
1047         }
1048
1049         service = talloc_strdup(mem_ctx, argv[0]);
1050         if (service == NULL) {
1051                 d_printf(_("error: out of memory!\n"));
1052                 goto done;
1053         }
1054
1055         num_includes = argc - 1;
1056         if (num_includes == 0) {
1057                 includes = NULL;
1058         } else {
1059                 includes = argv + 1;
1060         }
1061
1062         err = smbconf_set_includes(conf_ctx, service, num_includes, includes);
1063         if (!SBC_ERROR_IS_OK(err)) {
1064                 d_printf(_("error setting includes: %s\n"), sbcErrorString(err));
1065                 goto done;
1066         }
1067
1068         ret = 0;
1069
1070 done:
1071         TALLOC_FREE(mem_ctx);
1072         return ret;
1073 }
1074
1075 static int net_conf_delincludes(struct net_context *c,
1076                                 struct smbconf_ctx *conf_ctx,
1077                                 int argc, const char **argv)
1078 {
1079         sbcErr err;
1080         char *service;
1081         int ret = -1;
1082         TALLOC_CTX *mem_ctx = talloc_stackframe();
1083
1084         if (argc != 1 || c->display_usage) {
1085                 net_conf_delincludes_usage(c, argc, argv);
1086                 goto done;
1087         }
1088
1089         service = talloc_strdup(mem_ctx, argv[0]);
1090         if (service == NULL) {
1091                 d_printf(_("error: out of memory!\n"));
1092                 goto done;
1093         }
1094
1095         err = smbconf_delete_includes(conf_ctx, service);
1096         if (!SBC_ERROR_IS_OK(err)) {
1097                 d_printf(_("error deleting includes: %s\n"), sbcErrorString(err));
1098                 goto done;
1099         }
1100
1101         ret = 0;
1102
1103 done:
1104         TALLOC_FREE(mem_ctx);
1105         return ret;
1106 }
1107
1108
1109 /**********************************************************************
1110  *
1111  * Wrapper and net_conf_run_function mechanism.
1112  *
1113  **********************************************************************/
1114
1115 /**
1116  * Wrapper function to call the main conf functions.
1117  * The wrapper calls handles opening and closing of the
1118  * configuration.
1119  */
1120 static int net_conf_wrap_function(struct net_context *c,
1121                                   int (*fn)(struct net_context *,
1122                                             struct smbconf_ctx *,
1123                                             int, const char **),
1124                                   int argc, const char **argv)
1125 {
1126         sbcErr err;
1127         TALLOC_CTX *mem_ctx = talloc_stackframe();
1128         struct smbconf_ctx *conf_ctx;
1129         int ret = -1;
1130
1131         err = smbconf_init(mem_ctx, &conf_ctx, "registry:");
1132         if (!SBC_ERROR_IS_OK(err)) {
1133                 return -1;
1134         }
1135
1136         ret = fn(c, conf_ctx, argc, argv);
1137
1138         smbconf_shutdown(conf_ctx);
1139
1140         return ret;
1141 }
1142
1143 /*
1144  * We need a functable struct of our own, because the
1145  * functions are called through a wrapper that handles
1146  * the opening and closing of the configuration, and so on.
1147  */
1148 struct conf_functable {
1149         const char *funcname;
1150         int (*fn)(struct net_context *c, struct smbconf_ctx *ctx, int argc,
1151                   const char **argv);
1152         int valid_transports;
1153         const char *description;
1154         const char *usage;
1155 };
1156
1157 /**
1158  * This imitates net_run_function but calls the main functions
1159  * through the wrapper net_conf_wrap_function().
1160  */
1161 static int net_conf_run_function(struct net_context *c, int argc,
1162                                  const char **argv, const char *whoami,
1163                                  struct conf_functable *table)
1164 {
1165         int i;
1166
1167         if (argc != 0) {
1168                 for (i=0; table[i].funcname; i++) {
1169                         if (strcasecmp_m(argv[0], table[i].funcname) == 0)
1170                                 return net_conf_wrap_function(c, table[i].fn,
1171                                                               argc-1,
1172                                                               argv+1);
1173                 }
1174         }
1175
1176         d_printf(_("Usage:\n"));
1177         for (i=0; table[i].funcname; i++) {
1178                 if (c->display_usage == false)
1179                         d_printf("%s %-15s %s\n", whoami, table[i].funcname,
1180                                  table[i].description);
1181                 else
1182                         d_printf("%s\n", table[i].usage);
1183         }
1184
1185         return c->display_usage?0:-1;
1186 }
1187
1188 /*
1189  * Entry-point for all the CONF functions.
1190  */
1191
1192 int net_conf(struct net_context *c, int argc, const char **argv)
1193 {
1194         int ret = -1;
1195         struct conf_functable func_table[] = {
1196                 {
1197                         "list",
1198                         net_conf_list,
1199                         NET_TRANSPORT_LOCAL,
1200                         N_("Dump the complete configuration in smb.conf like "
1201                            "format."),
1202                         N_("net conf list\n"
1203                            "    Dump the complete configuration in smb.conf "
1204                            "like format.")
1205
1206                 },
1207                 {
1208                         "import",
1209                         net_conf_import,
1210                         NET_TRANSPORT_LOCAL,
1211                         N_("Import configuration from file in smb.conf "
1212                            "format."),
1213                         N_("net conf import\n"
1214                            "    Import configuration from file in smb.conf "
1215                            "format.")
1216                 },
1217                 {
1218                         "listshares",
1219                         net_conf_listshares,
1220                         NET_TRANSPORT_LOCAL,
1221                         N_("List the share names."),
1222                         N_("net conf listshares\n"
1223                            "    List the share names.")
1224                 },
1225                 {
1226                         "drop",
1227                         net_conf_drop,
1228                         NET_TRANSPORT_LOCAL,
1229                         N_("Delete the complete configuration."),
1230                         N_("net conf drop\n"
1231                            "    Delete the complete configuration.")
1232                 },
1233                 {
1234                         "showshare",
1235                         net_conf_showshare,
1236                         NET_TRANSPORT_LOCAL,
1237                         N_("Show the definition of a share."),
1238                         N_("net conf showshare\n"
1239                            "    Show the definition of a share.")
1240                 },
1241                 {
1242                         "addshare",
1243                         net_conf_addshare,
1244                         NET_TRANSPORT_LOCAL,
1245                         N_("Create a new share."),
1246                         N_("net conf addshare\n"
1247                            "    Create a new share.")
1248                 },
1249                 {
1250                         "delshare",
1251                         net_conf_delshare,
1252                         NET_TRANSPORT_LOCAL,
1253                         N_("Delete a share."),
1254                         N_("net conf delshare\n"
1255                            "    Delete a share.")
1256                 },
1257                 {
1258                         "setparm",
1259                         net_conf_setparm,
1260                         NET_TRANSPORT_LOCAL,
1261                         N_("Store a parameter."),
1262                         N_("net conf setparm\n"
1263                            "    Store a parameter.")
1264                 },
1265                 {
1266                         "getparm",
1267                         net_conf_getparm,
1268                         NET_TRANSPORT_LOCAL,
1269                         N_("Retrieve the value of a parameter."),
1270                         N_("net conf getparm\n"
1271                            "    Retrieve the value of a parameter.")
1272                 },
1273                 {
1274                         "delparm",
1275                         net_conf_delparm,
1276                         NET_TRANSPORT_LOCAL,
1277                         N_("Delete a parameter."),
1278                         N_("net conf delparm\n"
1279                            "    Delete a parameter.")
1280                 },
1281                 {
1282                         "getincludes",
1283                         net_conf_getincludes,
1284                         NET_TRANSPORT_LOCAL,
1285                         N_("Show the includes of a share definition."),
1286                         N_("net conf getincludes\n"
1287                            "    Show the includes of a share definition.")
1288                 },
1289                 {
1290                         "setincludes",
1291                         net_conf_setincludes,
1292                         NET_TRANSPORT_LOCAL,
1293                         N_("Set includes for a share."),
1294                         N_("net conf setincludes\n"
1295                            "    Set includes for a share.")
1296                 },
1297                 {
1298                         "delincludes",
1299                         net_conf_delincludes,
1300                         NET_TRANSPORT_LOCAL,
1301                         N_("Delete includes from a share definition."),
1302                         N_("net conf setincludes\n"
1303                            "    Delete includes from a share definition.")
1304                 },
1305                 {NULL, NULL, 0, NULL, NULL}
1306         };
1307
1308         ret = net_conf_run_function(c, argc, argv, "net conf", func_table);
1309
1310         return ret;
1311 }
1312