2 * Unix SMB/CIFS implementation.
3 * libsmbconf - Samba configuration library
4 * Copyright (C) Michael Adam 2007-2008
5 * Copyright (C) Guenther Deschner 2007
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.
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.
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/>.
22 #include "smbconf_private.h"
24 /**********************************************************************
26 * internal helper functions
28 **********************************************************************/
30 static WERROR smbconf_global_check(struct smbconf_ctx *ctx)
32 if (!smbconf_share_exists(ctx, GLOBAL_NAME)) {
33 return smbconf_create_share(ctx, GLOBAL_NAME);
39 /**********************************************************************
41 * The actual libsmbconf API functions that are exported.
43 **********************************************************************/
46 * Tell whether the backend requires messaging to be set up
47 * for the backend to work correctly.
49 bool smbconf_backend_requires_messaging(struct smbconf_ctx *ctx)
51 return ctx->ops->requires_messaging(ctx);
55 * Tell whether the source is writeable.
57 bool smbconf_is_writeable(struct smbconf_ctx *ctx)
59 return ctx->ops->is_writeable(ctx);
63 * Close the configuration.
65 void smbconf_shutdown(struct smbconf_ctx *ctx)
71 * Detect changes in the configuration.
72 * The given csn struct is filled with the current csn.
73 * smbconf_changed() can also be used for initial retrieval
76 bool smbconf_changed(struct smbconf_ctx *ctx, struct smbconf_csn *csn,
77 const char *service, const char *param)
79 struct smbconf_csn old_csn;
87 ctx->ops->get_csn(ctx, csn, service, param);
88 return (csn->csn != old_csn.csn);
92 * Drop the whole configuration (restarting empty).
94 WERROR smbconf_drop(struct smbconf_ctx *ctx)
96 return ctx->ops->drop(ctx);
100 * Get the whole configuration as lists of strings with counts:
102 * num_shares : number of shares
103 * share_names : list of length num_shares of share names
104 * num_params : list of length num_shares of parameter counts for each share
105 * param_names : list of lists of parameter names for each share
106 * param_values : list of lists of parameter values for each share
108 WERROR smbconf_get_config(struct smbconf_ctx *ctx,
110 uint32_t *num_shares,
111 struct smbconf_service ***services)
113 WERROR werr = WERR_OK;
114 TALLOC_CTX *tmp_ctx = NULL;
115 uint32_t tmp_num_shares;
116 char **tmp_share_names;
117 struct smbconf_service **tmp_services;
120 if ((num_shares == NULL) || (services == NULL)) {
121 werr = WERR_INVALID_PARAM;
125 tmp_ctx = talloc_stackframe();
127 werr = smbconf_get_share_names(ctx, tmp_ctx, &tmp_num_shares,
129 if (!W_ERROR_IS_OK(werr)) {
133 tmp_services = TALLOC_ARRAY(tmp_ctx, struct smbconf_service *,
136 if (tmp_services == NULL) {
141 for (count = 0; count < tmp_num_shares; count++) {
142 werr = smbconf_get_share(ctx, tmp_services,
143 tmp_share_names[count],
144 &tmp_services[count]);
145 if (!W_ERROR_IS_OK(werr)) {
152 *num_shares = tmp_num_shares;
153 if (tmp_num_shares > 0) {
154 *services = talloc_move(mem_ctx, &tmp_services);
160 TALLOC_FREE(tmp_ctx);
165 * get the list of share names defined in the configuration.
167 WERROR smbconf_get_share_names(struct smbconf_ctx *ctx,
169 uint32_t *num_shares,
172 return ctx->ops->get_share_names(ctx, mem_ctx, num_shares,
177 * check if a share/service of a given name exists
179 bool smbconf_share_exists(struct smbconf_ctx *ctx,
180 const char *servicename)
182 return ctx->ops->share_exists(ctx, servicename);
186 * Add a service if it does not already exist.
188 WERROR smbconf_create_share(struct smbconf_ctx *ctx,
189 const char *servicename)
191 if ((servicename != NULL) && smbconf_share_exists(ctx, servicename)) {
192 return WERR_FILE_EXISTS;
195 return ctx->ops->create_share(ctx, servicename);
199 * get a definition of a share (service) from configuration.
201 WERROR smbconf_get_share(struct smbconf_ctx *ctx,
203 const char *servicename,
204 struct smbconf_service **service)
206 if (!smbconf_share_exists(ctx, servicename)) {
207 return WERR_NO_SUCH_SERVICE;
210 return ctx->ops->get_share(ctx, mem_ctx, servicename, service);
214 * delete a service from configuration
216 WERROR smbconf_delete_share(struct smbconf_ctx *ctx, const char *servicename)
218 if (!smbconf_share_exists(ctx, servicename)) {
219 return WERR_NO_SUCH_SERVICE;
222 return ctx->ops->delete_share(ctx, servicename);
226 * set a configuration parameter to the value provided.
228 WERROR smbconf_set_parameter(struct smbconf_ctx *ctx,
233 if (!smbconf_share_exists(ctx, service)) {
234 return WERR_NO_SUCH_SERVICE;
237 return ctx->ops->set_parameter(ctx, service, param, valstr);
241 * Set a global parameter
242 * (i.e. a parameter in the [global] service).
244 * This also creates [global] when it does not exist.
246 WERROR smbconf_set_global_parameter(struct smbconf_ctx *ctx,
247 const char *param, const char *val)
251 werr = smbconf_global_check(ctx);
252 if (W_ERROR_IS_OK(werr)) {
253 werr = smbconf_set_parameter(ctx, GLOBAL_NAME, param, val);
260 * get the value of a configuration parameter as a string
262 WERROR smbconf_get_parameter(struct smbconf_ctx *ctx,
268 if (valstr == NULL) {
269 return WERR_INVALID_PARAM;
272 if (!smbconf_share_exists(ctx, service)) {
273 return WERR_NO_SUCH_SERVICE;
276 return ctx->ops->get_parameter(ctx, mem_ctx, service, param, valstr);
280 * Get the value of a global parameter.
282 * Create [global] if it does not exist.
284 WERROR smbconf_get_global_parameter(struct smbconf_ctx *ctx,
291 werr = smbconf_global_check(ctx);
292 if (W_ERROR_IS_OK(werr)) {
293 werr = smbconf_get_parameter(ctx, mem_ctx, GLOBAL_NAME, param,
301 * delete a parameter from configuration
303 WERROR smbconf_delete_parameter(struct smbconf_ctx *ctx,
304 const char *service, const char *param)
306 if (!smbconf_share_exists(ctx, service)) {
307 return WERR_NO_SUCH_SERVICE;
310 return ctx->ops->delete_parameter(ctx, service, param);
314 * Delete a global parameter.
316 * Create [global] if it does not exist.
318 WERROR smbconf_delete_global_parameter(struct smbconf_ctx *ctx,
323 werr = smbconf_global_check(ctx);
324 if (W_ERROR_IS_OK(werr)) {
325 werr = smbconf_delete_parameter(ctx, GLOBAL_NAME, param);
331 WERROR smbconf_get_includes(struct smbconf_ctx *ctx,
334 uint32_t *num_includes, char ***includes)
336 if (!smbconf_share_exists(ctx, service)) {
337 return WERR_NO_SUCH_SERVICE;
340 return ctx->ops->get_includes(ctx, mem_ctx, service, num_includes,
344 WERROR smbconf_get_global_includes(struct smbconf_ctx *ctx,
346 uint32_t *num_includes, char ***includes)
350 werr = smbconf_global_check(ctx);
351 if (W_ERROR_IS_OK(werr)) {
352 werr = smbconf_get_includes(ctx, mem_ctx, GLOBAL_NAME,
353 num_includes, includes);
359 WERROR smbconf_set_includes(struct smbconf_ctx *ctx,
361 uint32_t num_includes, const char **includes)
363 if (!smbconf_share_exists(ctx, service)) {
364 return WERR_NO_SUCH_SERVICE;
367 return ctx->ops->set_includes(ctx, service, num_includes, includes);
370 WERROR smbconf_set_global_includes(struct smbconf_ctx *ctx,
371 uint32_t num_includes,
372 const char **includes)
376 werr = smbconf_global_check(ctx);
377 if (W_ERROR_IS_OK(werr)) {
378 werr = smbconf_set_includes(ctx, GLOBAL_NAME,
379 num_includes, includes);
386 WERROR smbconf_delete_includes(struct smbconf_ctx *ctx, const char *service)
388 if (!smbconf_share_exists(ctx, service)) {
389 return WERR_NO_SUCH_SERVICE;
392 return ctx->ops->delete_includes(ctx, service);
395 WERROR smbconf_delete_global_includes(struct smbconf_ctx *ctx)
399 werr = smbconf_global_check(ctx);
400 if (W_ERROR_IS_OK(werr)) {
401 werr = smbconf_delete_includes(ctx, GLOBAL_NAME);