s3:fix bug #6371, unsuccessful net conf setparm leaves empty share
[metze/samba/wip.git] / 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 "utils/net.h"
32
33 /**********************************************************************
34  *
35  * usage functions
36  *
37  **********************************************************************/
38
39 static int net_conf_list_usage(struct net_context *c, int argc,
40                                const char **argv)
41 {
42         d_printf("USAGE: net conf list\n");
43         return -1;
44 }
45
46 static int net_conf_import_usage(struct net_context *c, int argc,
47                                  const char**argv)
48 {
49         d_printf("USAGE: net conf import [--test|-T] <filename> "
50                  "[<servicename>]\n"
51                  "\t[--test|-T]    testmode - do not act, just print "
52                         "what would be done\n"
53                  "\t<servicename>  only import service <servicename>, "
54                         "ignore the rest\n");
55         return -1;
56 }
57
58 static int net_conf_listshares_usage(struct net_context *c, int argc,
59                                      const char **argv)
60 {
61         d_printf("USAGE: net conf listshares\n");
62         return -1;
63 }
64
65 static int net_conf_drop_usage(struct net_context *c, int argc,
66                                const char **argv)
67 {
68         d_printf("USAGE: net conf drop\n");
69         return -1;
70 }
71
72 static int net_conf_showshare_usage(struct net_context *c, int argc,
73                                     const char **argv)
74 {
75         d_printf("USAGE: net conf showshare <sharename>\n");
76         return -1;
77 }
78
79 static int net_conf_addshare_usage(struct net_context *c, int argc,
80                                    const char **argv)
81 {
82         d_printf("USAGE: net conf addshare <sharename> <path> "
83                  "[writeable={y|N} [guest_ok={y|N} [<comment>]]\n"
84                  "\t<sharename>      the new share name.\n"
85                  "\t<path>           the path on the filesystem to export.\n"
86                  "\twriteable={y|N}  set \"writeable to \"yes\" or "
87                  "\"no\" (default) on this share.\n"
88                  "\tguest_ok={y|N}   set \"guest ok\" to \"yes\" or "
89                  "\"no\" (default)   on this share.\n"
90                  "\t<comment>        optional comment for the new share.\n");
91         return -1;
92 }
93
94 static int net_conf_delshare_usage(struct net_context *c, int argc,
95                                    const char **argv)
96 {
97         d_printf("USAGE: net conf delshare <sharename>\n");
98         return -1;
99 }
100
101 static int net_conf_setparm_usage(struct net_context *c, int argc,
102                                   const char **argv)
103 {
104         d_printf("USAGE: net conf setparm <section> <param> <value>\n");
105         return -1;
106 }
107
108 static int net_conf_getparm_usage(struct net_context *c, int argc,
109                                   const char **argv)
110 {
111         d_printf("USAGE: net conf getparm <section> <param>\n");
112         return -1;
113 }
114
115 static int net_conf_delparm_usage(struct net_context *c, int argc,
116                                   const char **argv)
117 {
118         d_printf("USAGE: net conf delparm <section> <param>\n");
119         return -1;
120 }
121
122 static int net_conf_getincludes_usage(struct net_context *c, int argc,
123                                       const char **argv)
124 {
125         d_printf("USAGE: net conf getincludes <section>\n");
126         return -1;
127 }
128
129 static int net_conf_setincludes_usage(struct net_context *c, int argc,
130                                       const char **argv)
131 {
132         d_printf("USAGE: net conf setincludes <section> [<filename>]*\n");
133         return -1;
134 }
135
136 static int net_conf_delincludes_usage(struct net_context *c, int argc,
137                                       const char **argv)
138 {
139         d_printf("USAGE: net conf delincludes <section>\n");
140         return -1;
141 }
142
143
144 /**********************************************************************
145  *
146  * Helper functions
147  *
148  **********************************************************************/
149
150 /**
151  * This functions process a service previously loaded with libsmbconf.
152  */
153 static WERROR import_process_service(struct net_context *c,
154                                      struct smbconf_ctx *conf_ctx,
155                                      struct smbconf_service *service)
156 {
157         uint32_t idx;
158         WERROR werr = WERR_OK;
159         uint32_t num_includes = 0;
160         char **includes = NULL;
161         TALLOC_CTX *mem_ctx = talloc_stackframe();
162
163         if (c->opt_testmode) {
164                 const char *indent = "";
165                 if (service->name != NULL) {
166                         d_printf("[%s]\n", service->name);
167                         indent = "\t";
168                 }
169                 for (idx = 0; idx < service->num_params; idx++) {
170                         d_printf("%s%s = %s\n", indent,
171                                  service->param_names[idx],
172                                  service->param_values[idx]);
173                 }
174                 d_printf("\n");
175                 goto done;
176         }
177
178         if (smbconf_share_exists(conf_ctx, service->name)) {
179                 werr = smbconf_delete_share(conf_ctx, service->name);
180                 if (!W_ERROR_IS_OK(werr)) {
181                         goto done;
182                 }
183         }
184         werr = smbconf_create_share(conf_ctx, service->name);
185         if (!W_ERROR_IS_OK(werr)) {
186                 goto done;
187         }
188
189         for (idx = 0; idx < service->num_params; idx ++) {
190                 if (strequal(service->param_names[idx], "include")) {
191                         includes = TALLOC_REALLOC_ARRAY(mem_ctx,
192                                                         includes,
193                                                         char *,
194                                                         num_includes+1);
195                         if (includes == NULL) {
196                                 werr = WERR_NOMEM;
197                                 goto done;
198                         }
199                         includes[num_includes] = talloc_strdup(includes,
200                                                 service->param_values[idx]);
201                         if (includes[num_includes] == NULL) {
202                                 werr = WERR_NOMEM;
203                                 goto done;
204                         }
205                         num_includes++;
206                 } else {
207                         werr = smbconf_set_parameter(conf_ctx,
208                                                      service->name,
209                                                      service->param_names[idx],
210                                                      service->param_values[idx]);
211                         if (!W_ERROR_IS_OK(werr)) {
212                                 goto done;
213                         }
214                 }
215         }
216
217         werr = smbconf_set_includes(conf_ctx, service->name, num_includes,
218                                     (const char **)includes);
219
220 done:
221         TALLOC_FREE(mem_ctx);
222         return werr;
223 }
224
225
226 /**********************************************************************
227  *
228  * the main conf functions
229  *
230  **********************************************************************/
231
232 static int net_conf_list(struct net_context *c, struct smbconf_ctx *conf_ctx,
233                          int argc, const char **argv)
234 {
235         WERROR werr = WERR_OK;
236         int ret = -1;
237         TALLOC_CTX *mem_ctx;
238         uint32_t num_shares;
239         uint32_t share_count, param_count;
240         struct smbconf_service **shares = NULL;
241
242         mem_ctx = talloc_stackframe();
243
244         if (argc != 0 || c->display_usage) {
245                 net_conf_list_usage(c, argc, argv);
246                 goto done;
247         }
248
249         werr = smbconf_get_config(conf_ctx, mem_ctx, &num_shares, &shares);
250         if (!W_ERROR_IS_OK(werr)) {
251                 d_fprintf(stderr, "Error getting config: %s\n",
252                           win_errstr(werr));
253                 goto done;
254         }
255
256         for (share_count = 0; share_count < num_shares; share_count++) {
257                 const char *indent = "";
258                 if (shares[share_count]->name != NULL) {
259                         d_printf("[%s]\n", shares[share_count]->name);
260                         indent = "\t";
261                 }
262                 for (param_count = 0;
263                      param_count < shares[share_count]->num_params;
264                      param_count++)
265                 {
266                         d_printf("%s%s = %s\n",
267                                  indent,
268                                  shares[share_count]->param_names[param_count],
269                                  shares[share_count]->param_values[param_count]);
270                 }
271                 d_printf("\n");
272         }
273
274         ret = 0;
275
276 done:
277         TALLOC_FREE(mem_ctx);
278         return ret;
279 }
280
281 static int net_conf_import(struct net_context *c, struct smbconf_ctx *conf_ctx,
282                            int argc, const char **argv)
283 {
284         int ret = -1;
285         const char *filename = NULL;
286         const char *servicename = NULL;
287         char *conf_source = NULL;
288         TALLOC_CTX *mem_ctx;
289         struct smbconf_ctx *txt_ctx;
290         WERROR werr;
291
292         if (c->display_usage)
293                 return net_conf_import_usage(c, argc, argv);
294
295         mem_ctx = talloc_stackframe();
296
297         switch (argc) {
298                 case 0:
299                 default:
300                         net_conf_import_usage(c, argc, argv);
301                         goto done;
302                 case 2:
303                         servicename = talloc_strdup(mem_ctx, argv[1]);
304                         if (servicename == NULL) {
305                                 d_printf("error: out of memory!\n");
306                                 goto done;
307                         }
308                 case 1:
309                         filename = argv[0];
310                         break;
311         }
312
313         DEBUG(3,("net_conf_import: reading configuration from file %s.\n",
314                 filename));
315
316         conf_source = talloc_asprintf(mem_ctx, "file:%s", filename);
317         if (conf_source == NULL) {
318                 d_printf("error: out of memory!\n");
319                 goto done;
320         }
321
322         werr = smbconf_init(mem_ctx, &txt_ctx, conf_source);
323         if (!W_ERROR_IS_OK(werr)) {
324                 d_printf("error loading file '%s': %s\n", filename,
325                          win_errstr(werr));
326                 goto done;
327         }
328
329         if (c->opt_testmode) {
330                 d_printf("\nTEST MODE - "
331                          "would import the following configuration:\n\n");
332         }
333
334         if (servicename != NULL) {
335                 struct smbconf_service *service = NULL;
336
337                 werr = smbconf_get_share(txt_ctx, mem_ctx,
338                                          servicename,
339                                          &service);
340                 if (!W_ERROR_IS_OK(werr)) {
341                         goto cancel;
342                 }
343
344                 werr = smbconf_transaction_start(conf_ctx);
345                 if (!W_ERROR_IS_OK(werr)) {
346                         d_printf("error starting transaction: %s\n",
347                                  win_errstr(werr));
348                         goto done;
349                 }
350
351                 werr = import_process_service(c, conf_ctx, service);
352                 if (!W_ERROR_IS_OK(werr)) {
353                         goto cancel;
354                 }
355         } else {
356                 struct smbconf_service **services = NULL;
357                 uint32_t num_shares, sidx;
358
359                 werr = smbconf_get_config(txt_ctx, mem_ctx,
360                                           &num_shares,
361                                           &services);
362                 if (!W_ERROR_IS_OK(werr)) {
363                         goto cancel;
364                 }
365                 if (!c->opt_testmode) {
366                         werr = smbconf_drop(conf_ctx);
367                         if (!W_ERROR_IS_OK(werr)) {
368                                 goto cancel;
369                         }
370                 }
371
372                 /*
373                  * Wrap the importing of shares into a transaction,
374                  * but only 100 at a time, in order to serve memory.
375                  * The allocated memory accumulates across the actions
376                  * within the transaction, and for me, some 1500
377                  * imported shares, the MAX_TALLOC_SIZE of 256 MB
378                  * was exceeded.
379                  */
380                 werr = smbconf_transaction_start(conf_ctx);
381                 if (!W_ERROR_IS_OK(werr)) {
382                         d_printf("error starting transaction: %s\n",
383                                  win_errstr(werr));
384                         goto done;
385                 }
386
387                 for (sidx = 0; sidx < num_shares; sidx++) {
388                         werr = import_process_service(c, conf_ctx,
389                                                       services[sidx]);
390                         if (!W_ERROR_IS_OK(werr)) {
391                                 goto cancel;
392                         }
393
394                         if (sidx % 100) {
395                                 continue;
396                         }
397
398                         werr = smbconf_transaction_commit(conf_ctx);
399                         if (!W_ERROR_IS_OK(werr)) {
400                                 d_printf("error committing transaction: %s\n",
401                                          win_errstr(werr));
402                                 goto done;
403                         }
404                         werr = smbconf_transaction_start(conf_ctx);
405                         if (!W_ERROR_IS_OK(werr)) {
406                                 d_printf("error starting transaction: %s\n",
407                                          win_errstr(werr));
408                                 goto done;
409                         }
410                 }
411         }
412
413         werr = smbconf_transaction_commit(conf_ctx);
414         if (!W_ERROR_IS_OK(werr)) {
415                 d_printf("error committing transaction: %s\n",
416                          win_errstr(werr));
417         } else {
418                 ret = 0;
419         }
420
421         goto done;
422
423 cancel:
424         werr = smbconf_transaction_cancel(conf_ctx);
425         if (!W_ERROR_IS_OK(werr)) {
426                 d_printf("error cancelling transaction: %s\n",
427                          win_errstr(werr));
428         }
429
430 done:
431         TALLOC_FREE(mem_ctx);
432         return ret;
433 }
434
435 static int net_conf_listshares(struct net_context *c,
436                                struct smbconf_ctx *conf_ctx, int argc,
437                                const char **argv)
438 {
439         WERROR werr = WERR_OK;
440         int ret = -1;
441         uint32_t count, num_shares = 0;
442         char **share_names = NULL;
443         TALLOC_CTX *mem_ctx;
444
445         mem_ctx = talloc_stackframe();
446
447         if (argc != 0 || c->display_usage) {
448                 net_conf_listshares_usage(c, argc, argv);
449                 goto done;
450         }
451
452         werr = smbconf_get_share_names(conf_ctx, mem_ctx, &num_shares,
453                                        &share_names);
454         if (!W_ERROR_IS_OK(werr)) {
455                 goto done;
456         }
457
458         for (count = 0; count < num_shares; count++)
459         {
460                 d_printf("%s\n", share_names[count]);
461         }
462
463         ret = 0;
464
465 done:
466         TALLOC_FREE(mem_ctx);
467         return ret;
468 }
469
470 static int net_conf_drop(struct net_context *c, struct smbconf_ctx *conf_ctx,
471                          int argc, const char **argv)
472 {
473         int ret = -1;
474         WERROR werr;
475
476         if (argc != 0 || c->display_usage) {
477                 net_conf_drop_usage(c, argc, argv);
478                 goto done;
479         }
480
481         werr = smbconf_drop(conf_ctx);
482         if (!W_ERROR_IS_OK(werr)) {
483                 d_fprintf(stderr, "Error deleting configuration: %s\n",
484                           win_errstr(werr));
485                 goto done;
486         }
487
488         ret = 0;
489
490 done:
491         return ret;
492 }
493
494 static int net_conf_showshare(struct net_context *c,
495                               struct smbconf_ctx *conf_ctx, int argc,
496                               const char **argv)
497 {
498         int ret = -1;
499         WERROR werr = WERR_OK;
500         const char *sharename = NULL;
501         TALLOC_CTX *mem_ctx;
502         uint32_t count;
503         struct smbconf_service *service = NULL;
504
505         mem_ctx = talloc_stackframe();
506
507         if (argc != 1 || c->display_usage) {
508                 net_conf_showshare_usage(c, argc, argv);
509                 goto done;
510         }
511
512         sharename = talloc_strdup(mem_ctx, argv[0]);
513         if (sharename == NULL) {
514                 d_printf("error: out of memory!\n");
515                 goto done;
516         }
517
518         werr = smbconf_get_share(conf_ctx, mem_ctx, sharename, &service);
519         if (!W_ERROR_IS_OK(werr)) {
520                 d_printf("error getting share parameters: %s\n",
521                          win_errstr(werr));
522                 goto done;
523         }
524
525         d_printf("[%s]\n", service->name);
526
527         for (count = 0; count < service->num_params; count++) {
528                 d_printf("\t%s = %s\n", service->param_names[count],
529                          service->param_values[count]);
530         }
531
532         ret = 0;
533
534 done:
535         TALLOC_FREE(mem_ctx);
536         return ret;
537 }
538
539 /**
540  * Add a share, with a couple of standard parameters, partly optional.
541  *
542  * This is a high level utility function of the net conf utility,
543  * not a direct frontend to the smbconf API.
544  */
545 static int net_conf_addshare(struct net_context *c,
546                              struct smbconf_ctx *conf_ctx, int argc,
547                              const char **argv)
548 {
549         int ret = -1;
550         WERROR werr = WERR_OK;
551         char *sharename = NULL;
552         const char *path = NULL;
553         const char *comment = NULL;
554         const char *guest_ok = "no";
555         const char *writeable = "no";
556         SMB_STRUCT_STAT sbuf;
557         TALLOC_CTX *mem_ctx = talloc_stackframe();
558
559         if (c->display_usage) {
560                 net_conf_addshare_usage(c, argc, argv);
561                 ret = 0;
562                 goto done;
563         }
564
565         switch (argc) {
566                 case 0:
567                 case 1:
568                 default:
569                         net_conf_addshare_usage(c, argc, argv);
570                         goto done;
571                 case 5:
572                         comment = argv[4];
573                 case 4:
574                         if (!strnequal(argv[3], "guest_ok=", 9)) {
575                                 net_conf_addshare_usage(c, argc, argv);
576                                 goto done;
577                         }
578                         switch (argv[3][9]) {
579                                 case 'y':
580                                 case 'Y':
581                                         guest_ok = "yes";
582                                         break;
583                                 case 'n':
584                                 case 'N':
585                                         guest_ok = "no";
586                                         break;
587                                 default:
588                                         net_conf_addshare_usage(c, argc, argv);
589                                         goto done;
590                         }
591                 case 3:
592                         if (!strnequal(argv[2], "writeable=", 10)) {
593                                 net_conf_addshare_usage(c, argc, argv);
594                                 goto done;
595                         }
596                         switch (argv[2][10]) {
597                                 case 'y':
598                                 case 'Y':
599                                         writeable = "yes";
600                                         break;
601                                 case 'n':
602                                 case 'N':
603                                         writeable = "no";
604                                         break;
605                                 default:
606                                         net_conf_addshare_usage(c, argc, argv);
607                                         goto done;
608                         }
609                 case 2:
610                         path = argv[1];
611                         sharename = talloc_strdup(mem_ctx, argv[0]);
612                         if (sharename == NULL) {
613                                 d_printf("error: out of memory!\n");
614                                 goto done;
615                         }
616
617                         break;
618         }
619
620         /*
621          * validate arguments
622          */
623
624         /* validate share name */
625
626         if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS,
627                                strlen(sharename)))
628         {
629                 d_fprintf(stderr, "ERROR: share name %s contains "
630                         "invalid characters (any of %s)\n",
631                         sharename, INVALID_SHARENAME_CHARS);
632                 goto done;
633         }
634
635         if (strequal(sharename, GLOBAL_NAME)) {
636                 d_fprintf(stderr,
637                           "ERROR: 'global' is not a valid share name.\n");
638                 goto done;
639         }
640
641         if (smbconf_share_exists(conf_ctx, sharename)) {
642                 d_fprintf(stderr, "ERROR: share %s already exists.\n",
643                           sharename);
644                 goto done;
645         }
646
647         /* validate path */
648
649         if (path[0] != '/') {
650                 d_fprintf(stderr,
651                           "Error: path '%s' is not an absolute path.\n",
652                           path);
653                 goto done;
654         }
655
656         if (sys_stat(path, &sbuf) != 0) {
657                 d_fprintf(stderr,
658                           "ERROR: cannot stat path '%s' to ensure "
659                           "this is a directory.\n"
660                           "Error was '%s'.\n",
661                           path, strerror(errno));
662                 goto done;
663         }
664
665         if (!S_ISDIR(sbuf.st_mode)) {
666                 d_fprintf(stderr,
667                           "ERROR: path '%s' is not a directory.\n",
668                           path);
669                 goto done;
670         }
671
672         /*
673          * create the share
674          */
675
676         werr = smbconf_create_share(conf_ctx, sharename);
677         if (!W_ERROR_IS_OK(werr)) {
678                 d_fprintf(stderr, "Error creating share %s: %s\n",
679                           sharename, win_errstr(werr));
680                 goto done;
681         }
682
683         /*
684          * fill the share with parameters
685          */
686
687         werr = smbconf_set_parameter(conf_ctx, sharename, "path", path);
688         if (!W_ERROR_IS_OK(werr)) {
689                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
690                           "path", win_errstr(werr));
691                 goto done;
692         }
693
694         if (comment != NULL) {
695                 werr = smbconf_set_parameter(conf_ctx, sharename, "comment",
696                                              comment);
697                 if (!W_ERROR_IS_OK(werr)) {
698                         d_fprintf(stderr, "Error setting parameter %s: %s\n",
699                                   "comment", win_errstr(werr));
700                         goto done;
701                 }
702         }
703
704         werr = smbconf_set_parameter(conf_ctx, sharename, "guest ok", guest_ok);
705         if (!W_ERROR_IS_OK(werr)) {
706                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
707                           "'guest ok'", win_errstr(werr));
708                 goto done;
709         }
710
711         werr = smbconf_set_parameter(conf_ctx, sharename, "writeable",
712                                      writeable);
713         if (!W_ERROR_IS_OK(werr)) {
714                 d_fprintf(stderr, "Error setting parameter %s: %s\n",
715                           "writeable", win_errstr(werr));
716                 goto done;
717         }
718
719         ret = 0;
720
721 done:
722         TALLOC_FREE(mem_ctx);
723         return ret;
724 }
725
726 static int net_conf_delshare(struct net_context *c,
727                              struct smbconf_ctx *conf_ctx, int argc,
728                              const char **argv)
729 {
730         int ret = -1;
731         const char *sharename = NULL;
732         WERROR werr = WERR_OK;
733         TALLOC_CTX *mem_ctx = talloc_stackframe();
734
735         if (argc != 1 || c->display_usage) {
736                 net_conf_delshare_usage(c, argc, argv);
737                 goto done;
738         }
739         sharename = talloc_strdup(mem_ctx, argv[0]);
740         if (sharename == NULL) {
741                 d_printf("error: out of memory!\n");
742                 goto done;
743         }
744
745         werr = smbconf_delete_share(conf_ctx, sharename);
746         if (!W_ERROR_IS_OK(werr)) {
747                 d_fprintf(stderr, "Error deleting share %s: %s\n",
748                           sharename, win_errstr(werr));
749                 goto done;
750         }
751
752         ret = 0;
753 done:
754         TALLOC_FREE(mem_ctx);
755         return ret;
756 }
757
758 static int net_conf_setparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
759                             int argc, const char **argv)
760 {
761         int ret = -1;
762         WERROR werr = WERR_OK;
763         char *service = NULL;
764         char *param = NULL;
765         const char *value_str = NULL;
766         TALLOC_CTX *mem_ctx = talloc_stackframe();
767
768         if (argc != 3 || c->display_usage) {
769                 net_conf_setparm_usage(c, argc, argv);
770                 goto done;
771         }
772         /*
773          * NULL service name means "dangling parameters" to libsmbconf.
774          * We use the empty string from the command line for this purpose.
775          */
776         if (strlen(argv[0]) != 0) {
777                 service = talloc_strdup(mem_ctx, argv[0]);
778                 if (service == NULL) {
779                         d_printf("error: out of memory!\n");
780                         goto done;
781                 }
782         }
783         param = strlower_talloc(mem_ctx, argv[1]);
784         if (param == NULL) {
785                 d_printf("error: out of memory!\n");
786                 goto done;
787         }
788         value_str = argv[2];
789
790         werr = smbconf_transaction_start(conf_ctx);
791         if (!W_ERROR_IS_OK(werr)) {
792                 d_printf("error starting transaction: %s\n",
793                          win_errstr(werr));
794                 goto done;
795         }
796
797         if (!smbconf_share_exists(conf_ctx, service)) {
798                 werr = smbconf_create_share(conf_ctx, service);
799                 if (!W_ERROR_IS_OK(werr)) {
800                         d_fprintf(stderr, "Error creating share '%s': %s\n",
801                                   service, win_errstr(werr));
802                         goto cancel;
803                 }
804         }
805
806         werr = smbconf_set_parameter(conf_ctx, service, param, value_str);
807
808         if (!W_ERROR_IS_OK(werr)) {
809                 d_fprintf(stderr, "Error setting value '%s': %s\n",
810                           param, win_errstr(werr));
811                 goto cancel;
812         }
813
814         werr = smbconf_transaction_commit(conf_ctx);
815         if (!W_ERROR_IS_OK(werr)) {
816                 d_printf("error committing transaction: %s\n",
817                          win_errstr(werr));
818         } else {
819                 ret = 0;
820         }
821
822         goto done;
823
824 cancel:
825         werr = smbconf_transaction_cancel(conf_ctx);
826         if (!W_ERROR_IS_OK(werr)) {
827                 d_printf("error cancelling transaction: %s\n",
828                          win_errstr(werr));
829         }
830
831 done:
832         TALLOC_FREE(mem_ctx);
833         return ret;
834 }
835
836 static int net_conf_getparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
837                             int argc, const char **argv)
838 {
839         int ret = -1;
840         WERROR werr = WERR_OK;
841         char *service = NULL;
842         char *param = NULL;
843         char *valstr = NULL;
844         TALLOC_CTX *mem_ctx;
845
846         mem_ctx = talloc_stackframe();
847
848         if (argc != 2 || c->display_usage) {
849                 net_conf_getparm_usage(c, argc, argv);
850                 goto done;
851         }
852         /*
853          * NULL service name means "dangling parameters" to libsmbconf.
854          * We use the empty string from the command line for this purpose.
855          */
856         if (strlen(argv[0]) != 0) {
857                 service = talloc_strdup(mem_ctx, argv[0]);
858                 if (service == NULL) {
859                         d_printf("error: out of memory!\n");
860                         goto done;
861                 }
862         }
863         param = strlower_talloc(mem_ctx, argv[1]);
864         if (param == NULL) {
865                 d_printf("error: out of memory!\n");
866                 goto done;
867         }
868
869         werr = smbconf_get_parameter(conf_ctx, mem_ctx, service, param, &valstr);
870
871         if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
872                 d_fprintf(stderr,
873                           "Error: given service '%s' does not exist.\n",
874                           service);
875                 goto done;
876         } else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
877                 d_fprintf(stderr,
878                           "Error: given parameter '%s' is not set.\n",
879                           param);
880                 goto done;
881         } else if (!W_ERROR_IS_OK(werr)) {
882                 d_fprintf(stderr, "Error getting value '%s': %s.\n",
883                           param, win_errstr(werr));
884                 goto done;
885         }
886
887         d_printf("%s\n", valstr);
888
889         ret = 0;
890 done:
891         TALLOC_FREE(mem_ctx);
892         return ret;
893 }
894
895 static int net_conf_delparm(struct net_context *c, struct smbconf_ctx *conf_ctx,
896                             int argc, const char **argv)
897 {
898         int ret = -1;
899         WERROR werr = WERR_OK;
900         char *service = NULL;
901         char *param = NULL;
902         TALLOC_CTX *mem_ctx = talloc_stackframe();
903
904         if (argc != 2 || c->display_usage) {
905                 net_conf_delparm_usage(c, argc, argv);
906                 goto done;
907         }
908         /*
909          * NULL service name means "dangling parameters" to libsmbconf.
910          * We use the empty string from the command line for this purpose.
911          */
912         if (strlen(argv[0]) != 0) {
913                 service = talloc_strdup(mem_ctx, argv[0]);
914                 if (service == NULL) {
915                         d_printf("error: out of memory!\n");
916                         goto done;
917                 }
918         }
919         param = strlower_talloc(mem_ctx, argv[1]);
920         if (param == NULL) {
921                 d_printf("error: out of memory!\n");
922                 goto done;
923         }
924
925         werr = smbconf_delete_parameter(conf_ctx, service, param);
926
927         if (W_ERROR_EQUAL(werr, WERR_NO_SUCH_SERVICE)) {
928                 d_fprintf(stderr,
929                           "Error: given service '%s' does not exist.\n",
930                           service);
931                 goto done;
932         } else if (W_ERROR_EQUAL(werr, WERR_INVALID_PARAM)) {
933                 d_fprintf(stderr,
934                           "Error: given parameter '%s' is not set.\n",
935                           param);
936                 goto done;
937         } else if (!W_ERROR_IS_OK(werr)) {
938                 d_fprintf(stderr, "Error deleting value '%s': %s.\n",
939                           param, win_errstr(werr));
940                 goto done;
941         }
942
943         ret = 0;
944
945 done:
946         TALLOC_FREE(mem_ctx);
947         return ret;
948 }
949
950 static int net_conf_getincludes(struct net_context *c,
951                                 struct smbconf_ctx *conf_ctx,
952                                 int argc, const char **argv)
953 {
954         WERROR werr;
955         uint32_t num_includes;
956         uint32_t count;
957         char *service;
958         char **includes = NULL;
959         int ret = -1;
960         TALLOC_CTX *mem_ctx = talloc_stackframe();
961
962         if (argc != 1 || c->display_usage) {
963                 net_conf_getincludes_usage(c, argc, argv);
964                 goto done;
965         }
966
967         service = talloc_strdup(mem_ctx, argv[0]);
968         if (service == NULL) {
969                 d_printf("error: out of memory!\n");
970                 goto done;
971         }
972
973         werr = smbconf_get_includes(conf_ctx, mem_ctx, service,
974                                     &num_includes, &includes);
975         if (!W_ERROR_IS_OK(werr)) {
976                 d_printf("error getting includes: %s\n", win_errstr(werr));
977                 goto done;
978         }
979
980         for (count = 0; count < num_includes; count++) {
981                 d_printf("include = %s\n", includes[count]);
982         }
983
984         ret = 0;
985
986 done:
987         TALLOC_FREE(mem_ctx);
988         return ret;
989 }
990
991 static int net_conf_setincludes(struct net_context *c,
992                                 struct smbconf_ctx *conf_ctx,
993                                 int argc, const char **argv)
994 {
995         WERROR werr;
996         char *service;
997         uint32_t num_includes;
998         const char **includes;
999         int ret = -1;
1000         TALLOC_CTX *mem_ctx = talloc_stackframe();
1001
1002         if (argc < 1 || c->display_usage) {
1003                 net_conf_setincludes_usage(c, argc, argv);
1004                 goto done;
1005         }
1006
1007         service = talloc_strdup(mem_ctx, argv[0]);
1008         if (service == NULL) {
1009                 d_printf("error: out of memory!\n");
1010                 goto done;
1011         }
1012
1013         num_includes = argc - 1;
1014         if (num_includes == 0) {
1015                 includes = NULL;
1016         } else {
1017                 includes = argv + 1;
1018         }
1019
1020         werr = smbconf_set_includes(conf_ctx, service, num_includes, includes);
1021         if (!W_ERROR_IS_OK(werr)) {
1022                 d_printf("error setting includes: %s\n", win_errstr(werr));
1023                 goto done;
1024         }
1025
1026         ret = 0;
1027
1028 done:
1029         TALLOC_FREE(mem_ctx);
1030         return ret;
1031 }
1032
1033 static int net_conf_delincludes(struct net_context *c,
1034                                 struct smbconf_ctx *conf_ctx,
1035                                 int argc, const char **argv)
1036 {
1037         WERROR werr;
1038         char *service;
1039         int ret = -1;
1040         TALLOC_CTX *mem_ctx = talloc_stackframe();
1041
1042         if (argc != 1 || c->display_usage) {
1043                 net_conf_delincludes_usage(c, argc, argv);
1044                 goto done;
1045         }
1046
1047         service = talloc_strdup(mem_ctx, argv[0]);
1048         if (service == NULL) {
1049                 d_printf("error: out of memory!\n");
1050                 goto done;
1051         }
1052
1053         werr = smbconf_delete_includes(conf_ctx, service);
1054         if (!W_ERROR_IS_OK(werr)) {
1055                 d_printf("error deleting includes: %s\n", win_errstr(werr));
1056                 goto done;
1057         }
1058
1059         ret = 0;
1060
1061 done:
1062         TALLOC_FREE(mem_ctx);
1063         return ret;
1064 }
1065
1066
1067 /**********************************************************************
1068  *
1069  * Wrapper and net_conf_run_function mechanism.
1070  *
1071  **********************************************************************/
1072
1073 /**
1074  * Wrapper function to call the main conf functions.
1075  * The wrapper calls handles opening and closing of the
1076  * configuration.
1077  */
1078 static int net_conf_wrap_function(struct net_context *c,
1079                                   int (*fn)(struct net_context *,
1080                                             struct smbconf_ctx *,
1081                                             int, const char **),
1082                                   int argc, const char **argv)
1083 {
1084         WERROR werr;
1085         TALLOC_CTX *mem_ctx = talloc_stackframe();
1086         struct smbconf_ctx *conf_ctx;
1087         int ret = -1;
1088
1089         werr = smbconf_init(mem_ctx, &conf_ctx, "registry:");
1090
1091         if (!W_ERROR_IS_OK(werr)) {
1092                 return -1;
1093         }
1094
1095         ret = fn(c, conf_ctx, argc, argv);
1096
1097         smbconf_shutdown(conf_ctx);
1098
1099         return ret;
1100 }
1101
1102 /*
1103  * We need a functable struct of our own, because the
1104  * functions are called through a wrapper that handles
1105  * the opening and closing of the configuration, and so on.
1106  */
1107 struct conf_functable {
1108         const char *funcname;
1109         int (*fn)(struct net_context *c, struct smbconf_ctx *ctx, int argc,
1110                   const char **argv);
1111         int valid_transports;
1112         const char *description;
1113         const char *usage;
1114 };
1115
1116 /**
1117  * This imitates net_run_function but calls the main functions
1118  * through the wrapper net_conf_wrap_function().
1119  */
1120 static int net_conf_run_function(struct net_context *c, int argc,
1121                                  const char **argv, const char *whoami,
1122                                  struct conf_functable *table)
1123 {
1124         int i;
1125
1126         if (argc != 0) {
1127                 for (i=0; table[i].funcname; i++) {
1128                         if (StrCaseCmp(argv[0], table[i].funcname) == 0)
1129                                 return net_conf_wrap_function(c, table[i].fn,
1130                                                               argc-1,
1131                                                               argv+1);
1132                 }
1133         }
1134
1135         d_printf("Usage:\n");
1136         for (i=0; table[i].funcname; i++) {
1137                 if (c->display_usage == false)
1138                         d_printf("%s %-15s %s\n", whoami, table[i].funcname,
1139                                  table[i].description);
1140                 else
1141                         d_printf("%s\n", table[i].usage);
1142         }
1143
1144         return c->display_usage?0:-1;
1145 }
1146
1147 /*
1148  * Entry-point for all the CONF functions.
1149  */
1150
1151 int net_conf(struct net_context *c, int argc, const char **argv)
1152 {
1153         int ret = -1;
1154         struct conf_functable func_table[] = {
1155                 {
1156                         "list",
1157                         net_conf_list,
1158                         NET_TRANSPORT_LOCAL,
1159                         "Dump the complete configuration in smb.conf like "
1160                         "format.",
1161                         "net conf list\n"
1162                         "    Dump the complete configuration in smb.conf like "
1163                         "format."
1164
1165                 },
1166                 {
1167                         "import",
1168                         net_conf_import,
1169                         NET_TRANSPORT_LOCAL,
1170                         "Import configuration from file in smb.conf format.",
1171                         "net conf import\n"
1172                         "    Import configuration from file in smb.conf format."
1173                 },
1174                 {
1175                         "listshares",
1176                         net_conf_listshares,
1177                         NET_TRANSPORT_LOCAL,
1178                         "List the share names.",
1179                         "net conf listshares\n"
1180                         "    List the share names."
1181                 },
1182                 {
1183                         "drop",
1184                         net_conf_drop,
1185                         NET_TRANSPORT_LOCAL,
1186                         "Delete the complete configuration.",
1187                         "net conf drop\n"
1188                         "    Delete the complete configuration."
1189                 },
1190                 {
1191                         "showshare",
1192                         net_conf_showshare,
1193                         NET_TRANSPORT_LOCAL,
1194                         "Show the definition of a share.",
1195                         "net conf showshare\n"
1196                         "    Show the definition of a share."
1197                 },
1198                 {
1199                         "addshare",
1200                         net_conf_addshare,
1201                         NET_TRANSPORT_LOCAL,
1202                         "Create a new share.",
1203                         "net conf addshare\n"
1204                         "    Create a new share."
1205                 },
1206                 {
1207                         "delshare",
1208                         net_conf_delshare,
1209                         NET_TRANSPORT_LOCAL,
1210                         "Delete a share.",
1211                         "net conf delshare\n"
1212                         "    Delete a share."
1213                 },
1214                 {
1215                         "setparm",
1216                         net_conf_setparm,
1217                         NET_TRANSPORT_LOCAL,
1218                         "Store a parameter.",
1219                         "net conf setparm\n"
1220                         "    Store a parameter."
1221                 },
1222                 {
1223                         "getparm",
1224                         net_conf_getparm,
1225                         NET_TRANSPORT_LOCAL,
1226                         "Retrieve the value of a parameter.",
1227                         "net conf getparm\n"
1228                         "    Retrieve the value of a parameter."
1229                 },
1230                 {
1231                         "delparm",
1232                         net_conf_delparm,
1233                         NET_TRANSPORT_LOCAL,
1234                         "Delete a parameter.",
1235                         "net conf delparm\n"
1236                         "    Delete a parameter."
1237                 },
1238                 {
1239                         "getincludes",
1240                         net_conf_getincludes,
1241                         NET_TRANSPORT_LOCAL,
1242                         "Show the includes of a share definition.",
1243                         "net conf getincludes\n"
1244                         "    Show the includes of a share definition."
1245                 },
1246                 {
1247                         "setincludes",
1248                         net_conf_setincludes,
1249                         NET_TRANSPORT_LOCAL,
1250                         "Set includes for a share.",
1251                         "net conf setincludes\n"
1252                         "    Set includes for a share."
1253                 },
1254                 {
1255                         "delincludes",
1256                         net_conf_delincludes,
1257                         NET_TRANSPORT_LOCAL,
1258                         "Delete includes from a share definition.",
1259                         "net conf setincludes\n"
1260                         "    Delete includes from a share definition."
1261                 },
1262                 {NULL, NULL, 0, NULL, NULL}
1263         };
1264
1265         ret = net_conf_run_function(c, argc, argv, "net conf", func_table);
1266
1267         return ret;
1268 }
1269