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Diffstat (limited to 'source3/lib/smbconf/smbconf_txt.c')
-rw-r--r--source3/lib/smbconf/smbconf_txt.c655
1 files changed, 0 insertions, 655 deletions
diff --git a/source3/lib/smbconf/smbconf_txt.c b/source3/lib/smbconf/smbconf_txt.c
deleted file mode 100644
index c4d2d2b1af..0000000000
--- a/source3/lib/smbconf/smbconf_txt.c
+++ /dev/null
@@ -1,655 +0,0 @@
-/*
- * Unix SMB/CIFS implementation.
- * libsmbconf - Samba configuration library, text backend
- * Copyright (C) Michael Adam 2008
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * This is a sample implementation of a libsmbconf text backend
- * using the params.c parser.
- *
- * It is read only.
- * Don't expect brilliant performance, since it is not hashing the lists.
- */
-
-#include "includes.h"
-#include "smbconf_private.h"
-
-struct txt_cache {
- uint32_t current_share;
- uint32_t num_shares;
- char **share_names;
- uint32_t *num_params;
- char ***param_names;
- char ***param_values;
-};
-
-struct txt_private_data {
- struct txt_cache *cache;
- uint64_t csn;
- bool verbatim;
-};
-
-/**********************************************************************
- *
- * helper functions
- *
- **********************************************************************/
-
-/**
- * a convenience helper to cast the private data structure
- */
-static struct txt_private_data *pd(struct smbconf_ctx *ctx)
-{
- return (struct txt_private_data *)(ctx->data);
-}
-
-static bool smbconf_txt_do_section(const char *section, void *private_data)
-{
- WERROR werr;
- uint32_t idx;
- struct txt_private_data *tpd = (struct txt_private_data *)private_data;
- struct txt_cache *cache = tpd->cache;
-
- if (smbconf_find_in_array(section, cache->share_names,
- cache->num_shares, &idx))
- {
- cache->current_share = idx;
- return true;
- }
-
- werr = smbconf_add_string_to_array(cache, &(cache->share_names),
- cache->num_shares, section);
- if (!W_ERROR_IS_OK(werr)) {
- return false;
- }
- cache->current_share = cache->num_shares;
- cache->num_shares++;
-
- cache->param_names = TALLOC_REALLOC_ARRAY(cache,
- cache->param_names,
- char **,
- cache->num_shares);
- if (cache->param_names == NULL) {
- return false;
- }
- cache->param_names[cache->current_share] = NULL;
-
- cache->param_values = TALLOC_REALLOC_ARRAY(cache,
- cache->param_values,
- char **,
- cache->num_shares);
- if (cache->param_values == NULL) {
- return false;
- }
- cache->param_values[cache->current_share] = NULL;
-
- cache->num_params = TALLOC_REALLOC_ARRAY(cache,
- cache->num_params,
- uint32_t,
- cache->num_shares);
- if (cache->num_params == NULL) {
- return false;
- }
- cache->num_params[cache->current_share] = 0;
-
- return true;
-}
-
-static bool smbconf_txt_do_parameter(const char *param_name,
- const char *param_value,
- void *private_data)
-{
- WERROR werr;
- char **param_names, **param_values;
- uint32_t num_params;
- uint32_t idx;
- struct txt_private_data *tpd = (struct txt_private_data *)private_data;
- struct txt_cache *cache = tpd->cache;
-
- if (cache->num_shares == 0) {
- /*
- * not in any share yet,
- * initialize the "empty" section (NULL):
- * parameters without a previous [section] are stored here.
- */
- if (!smbconf_txt_do_section(NULL, private_data)) {
- return false;
- }
- }
-
- param_names = cache->param_names[cache->current_share];
- param_values = cache->param_values[cache->current_share];
- num_params = cache->num_params[cache->current_share];
-
- if (!(tpd->verbatim) &&
- smbconf_find_in_array(param_name, param_names, num_params, &idx))
- {
- talloc_free(param_values[idx]);
- param_values[idx] = talloc_strdup(cache, param_value);
- if (param_values[idx] == NULL) {
- return false;
- }
- return true;
- }
- werr = smbconf_add_string_to_array(cache,
- &(cache->param_names[cache->current_share]),
- num_params, param_name);
- if (!W_ERROR_IS_OK(werr)) {
- return false;
- }
- werr = smbconf_add_string_to_array(cache,
- &(cache->param_values[cache->current_share]),
- num_params, param_value);
- cache->num_params[cache->current_share]++;
- return W_ERROR_IS_OK(werr);
-}
-
-static void smbconf_txt_flush_cache(struct smbconf_ctx *ctx)
-{
- talloc_free(pd(ctx)->cache);
- pd(ctx)->cache = NULL;
-}
-
-static WERROR smbconf_txt_init_cache(struct smbconf_ctx *ctx)
-{
- if (pd(ctx)->cache != NULL) {
- smbconf_txt_flush_cache(ctx);
- }
-
- pd(ctx)->cache = TALLOC_ZERO_P(pd(ctx), struct txt_cache);
-
- if (pd(ctx)->cache == NULL) {
- return WERR_NOMEM;
- }
-
- return WERR_OK;
-}
-
-static WERROR smbconf_txt_load_file(struct smbconf_ctx *ctx)
-{
- WERROR werr;
- uint64_t new_csn;
-
- if (!file_exist(ctx->path)) {
- return WERR_BADFILE;
- }
-
- new_csn = (uint64_t)file_modtime(ctx->path);
- if (new_csn == pd(ctx)->csn) {
- return WERR_OK;
- }
-
- werr = smbconf_txt_init_cache(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- if (!pm_process(ctx->path, smbconf_txt_do_section,
- smbconf_txt_do_parameter, pd(ctx)))
- {
- return WERR_CAN_NOT_COMPLETE;
- }
-
- pd(ctx)->csn = new_csn;
-
- return WERR_OK;
-}
-
-
-/**********************************************************************
- *
- * smbconf operations: text backend implementations
- *
- **********************************************************************/
-
-/**
- * initialize the text based smbconf backend
- */
-static WERROR smbconf_txt_init(struct smbconf_ctx *ctx, const char *path)
-{
- if (path == NULL) {
- return WERR_BADFILE;
- }
- ctx->path = talloc_strdup(ctx, path);
- if (ctx->path == NULL) {
- return WERR_NOMEM;
- }
-
- ctx->data = TALLOC_ZERO_P(ctx, struct txt_private_data);
- if (ctx->data == NULL) {
- return WERR_NOMEM;
- }
-
- pd(ctx)->verbatim = true;
-
- return WERR_OK;
-}
-
-static int smbconf_txt_shutdown(struct smbconf_ctx *ctx)
-{
- return ctx->ops->close_conf(ctx);
-}
-
-static bool smbconf_txt_requires_messaging(struct smbconf_ctx *ctx)
-{
- return false;
-}
-
-static bool smbconf_txt_is_writeable(struct smbconf_ctx *ctx)
-{
- /* no write support in this backend yet... */
- return false;
-}
-
-static WERROR smbconf_txt_open(struct smbconf_ctx *ctx)
-{
- return smbconf_txt_load_file(ctx);
-}
-
-static int smbconf_txt_close(struct smbconf_ctx *ctx)
-{
- smbconf_txt_flush_cache(ctx);
- return 0;
-}
-
-/**
- * Get the change sequence number of the given service/parameter.
- * service and parameter strings may be NULL.
- */
-static void smbconf_txt_get_csn(struct smbconf_ctx *ctx,
- struct smbconf_csn *csn,
- const char *service, const char *param)
-{
- if (csn == NULL) {
- return;
- }
-
- csn->csn = (uint64_t)file_modtime(ctx->path);
-}
-
-/**
- * Drop the whole configuration (restarting empty)
- */
-static WERROR smbconf_txt_drop(struct smbconf_ctx *ctx)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-/**
- * get the list of share names defined in the configuration.
- */
-static WERROR smbconf_txt_get_share_names(struct smbconf_ctx *ctx,
- TALLOC_CTX *mem_ctx,
- uint32_t *num_shares,
- char ***share_names)
-{
- uint32_t count;
- uint32_t added_count = 0;
- TALLOC_CTX *tmp_ctx = NULL;
- WERROR werr = WERR_OK;
- char **tmp_share_names = NULL;
-
- if ((num_shares == NULL) || (share_names == NULL)) {
- werr = WERR_INVALID_PARAM;
- goto done;
- }
-
- werr = smbconf_txt_load_file(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- tmp_ctx = talloc_stackframe();
-
- /* make sure "global" is always listed first,
- * possibly after NULL section */
-
- if (smbconf_share_exists(ctx, NULL)) {
- werr = smbconf_add_string_to_array(tmp_ctx, &tmp_share_names,
- 0, NULL);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- added_count++;
- }
-
- if (smbconf_share_exists(ctx, GLOBAL_NAME)) {
- werr = smbconf_add_string_to_array(tmp_ctx, &tmp_share_names,
- added_count, GLOBAL_NAME);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- added_count++;
- }
-
- for (count = 0; count < pd(ctx)->cache->num_shares; count++) {
- if (strequal(pd(ctx)->cache->share_names[count], GLOBAL_NAME) ||
- (pd(ctx)->cache->share_names[count] == NULL))
- {
- continue;
- }
-
- werr = smbconf_add_string_to_array(tmp_ctx, &tmp_share_names,
- added_count,
- pd(ctx)->cache->share_names[count]);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- added_count++;
- }
-
- *num_shares = added_count;
- if (added_count > 0) {
- *share_names = talloc_move(mem_ctx, &tmp_share_names);
- } else {
- *share_names = NULL;
- }
-
-done:
- talloc_free(tmp_ctx);
- return werr;
-}
-
-/**
- * check if a share/service of a given name exists
- */
-static bool smbconf_txt_share_exists(struct smbconf_ctx *ctx,
- const char *servicename)
-{
- WERROR werr;
-
- werr = smbconf_txt_load_file(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return false;
- }
-
- return smbconf_find_in_array(servicename,
- pd(ctx)->cache->share_names,
- pd(ctx)->cache->num_shares, NULL);
-}
-
-/**
- * Add a service if it does not already exist
- */
-static WERROR smbconf_txt_create_share(struct smbconf_ctx *ctx,
- const char *servicename)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-/**
- * get a definition of a share (service) from configuration.
- */
-static WERROR smbconf_txt_get_share(struct smbconf_ctx *ctx,
- TALLOC_CTX *mem_ctx,
- const char *servicename,
- struct smbconf_service **service)
-{
- WERROR werr;
- uint32_t sidx, count;
- bool found;
- TALLOC_CTX *tmp_ctx = NULL;
- struct smbconf_service *tmp_service = NULL;
-
- werr = smbconf_txt_load_file(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- found = smbconf_find_in_array(servicename,
- pd(ctx)->cache->share_names,
- pd(ctx)->cache->num_shares,
- &sidx);
- if (!found) {
- return WERR_NO_SUCH_SERVICE;
- }
-
- tmp_ctx = talloc_stackframe();
-
- tmp_service = TALLOC_ZERO_P(tmp_ctx, struct smbconf_service);
- if (tmp_service == NULL) {
- werr = WERR_NOMEM;
- goto done;
- }
-
- if (servicename != NULL) {
- tmp_service->name = talloc_strdup(tmp_service, servicename);
- if (tmp_service->name == NULL) {
- werr = WERR_NOMEM;
- goto done;
- }
- }
-
- for (count = 0; count < pd(ctx)->cache->num_params[sidx]; count++) {
- werr = smbconf_add_string_to_array(tmp_service,
- &(tmp_service->param_names),
- count,
- pd(ctx)->cache->param_names[sidx][count]);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- werr = smbconf_add_string_to_array(tmp_service,
- &(tmp_service->param_values),
- count,
- pd(ctx)->cache->param_values[sidx][count]);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- }
-
- tmp_service->num_params = count;
- if (count > 0) {
- *service = talloc_move(mem_ctx, &tmp_service);
- } else {
- *service = NULL;
- }
-
-done:
- talloc_free(tmp_ctx);
- return werr;
-}
-
-/**
- * delete a service from configuration
- */
-static WERROR smbconf_txt_delete_share(struct smbconf_ctx *ctx,
- const char *servicename)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-/**
- * set a configuration parameter to the value provided.
- */
-static WERROR smbconf_txt_set_parameter(struct smbconf_ctx *ctx,
- const char *service,
- const char *param,
- const char *valstr)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-/**
- * get the value of a configuration parameter as a string
- */
-static WERROR smbconf_txt_get_parameter(struct smbconf_ctx *ctx,
- TALLOC_CTX *mem_ctx,
- const char *service,
- const char *param,
- char **valstr)
-{
- WERROR werr;
- bool found;
- uint32_t share_index, param_index;
-
- werr = smbconf_txt_load_file(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- found = smbconf_find_in_array(service,
- pd(ctx)->cache->share_names,
- pd(ctx)->cache->num_shares,
- &share_index);
- if (!found) {
- return WERR_NO_SUCH_SERVICE;
- }
-
- found = smbconf_reverse_find_in_array(param,
- pd(ctx)->cache->param_names[share_index],
- pd(ctx)->cache->num_params[share_index],
- &param_index);
- if (!found) {
- return WERR_INVALID_PARAM;
- }
-
- *valstr = talloc_strdup(mem_ctx,
- pd(ctx)->cache->param_values[share_index][param_index]);
-
- if (*valstr == NULL) {
- return WERR_NOMEM;
- }
-
- return WERR_OK;
-}
-
-/**
- * delete a parameter from configuration
- */
-static WERROR smbconf_txt_delete_parameter(struct smbconf_ctx *ctx,
- const char *service,
- const char *param)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-static WERROR smbconf_txt_get_includes(struct smbconf_ctx *ctx,
- TALLOC_CTX *mem_ctx,
- const char *service,
- uint32_t *num_includes,
- char ***includes)
-{
- WERROR werr;
- bool found;
- uint32_t sidx, count;
- TALLOC_CTX *tmp_ctx = NULL;
- uint32_t tmp_num_includes = 0;
- char **tmp_includes = NULL;
-
- werr = smbconf_txt_load_file(ctx);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- found = smbconf_find_in_array(service,
- pd(ctx)->cache->share_names,
- pd(ctx)->cache->num_shares,
- &sidx);
- if (!found) {
- return WERR_NO_SUCH_SERVICE;
- }
-
- tmp_ctx = talloc_stackframe();
-
- for (count = 0; count < pd(ctx)->cache->num_params[sidx]; count++) {
- if (strequal(pd(ctx)->cache->param_names[sidx][count],
- "include"))
- {
- werr = smbconf_add_string_to_array(tmp_ctx,
- &tmp_includes,
- tmp_num_includes,
- pd(ctx)->cache->param_values[sidx][count]);
- if (!W_ERROR_IS_OK(werr)) {
- goto done;
- }
- tmp_num_includes++;
- }
- }
-
- *num_includes = tmp_num_includes;
- if (*num_includes > 0) {
- *includes = talloc_move(mem_ctx, &tmp_includes);
- if (*includes == NULL) {
- werr = WERR_NOMEM;
- goto done;
- }
- } else {
- *includes = NULL;
- }
-
- werr = WERR_OK;
-
-done:
- talloc_free(tmp_ctx);
- return werr;
-}
-
-static WERROR smbconf_txt_set_includes(struct smbconf_ctx *ctx,
- const char *service,
- uint32_t num_includes,
- const char **includes)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-static WERROR smbconf_txt_delete_includes(struct smbconf_ctx *ctx,
- const char *service)
-{
- return WERR_NOT_SUPPORTED;
-}
-
-
-static struct smbconf_ops smbconf_ops_txt = {
- .init = smbconf_txt_init,
- .shutdown = smbconf_txt_shutdown,
- .requires_messaging = smbconf_txt_requires_messaging,
- .is_writeable = smbconf_txt_is_writeable,
- .open_conf = smbconf_txt_open,
- .close_conf = smbconf_txt_close,
- .get_csn = smbconf_txt_get_csn,
- .drop = smbconf_txt_drop,
- .get_share_names = smbconf_txt_get_share_names,
- .share_exists = smbconf_txt_share_exists,
- .create_share = smbconf_txt_create_share,
- .get_share = smbconf_txt_get_share,
- .delete_share = smbconf_txt_delete_share,
- .set_parameter = smbconf_txt_set_parameter,
- .get_parameter = smbconf_txt_get_parameter,
- .delete_parameter = smbconf_txt_delete_parameter,
- .get_includes = smbconf_txt_get_includes,
- .set_includes = smbconf_txt_set_includes,
- .delete_includes = smbconf_txt_delete_includes,
-};
-
-
-/**
- * initialize the smbconf text backend
- * the only function that is exported from this module
- */
-WERROR smbconf_init_txt(TALLOC_CTX *mem_ctx,
- struct smbconf_ctx **conf_ctx,
- const char *path)
-{
- WERROR werr;
-
- werr = smbconf_init_internal(mem_ctx, conf_ctx, path, &smbconf_ops_txt);
- if (!W_ERROR_IS_OK(werr)) {
- return werr;
- }
-
- return smbconf_txt_load_file(*conf_ctx);
-}
generated by cgit (git 2.34.1) at 2024-07-08 14:48:29 +0000