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Samba4 module loading module (for secrets)
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Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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* Component: Samba4 module loading module (for secrets.ldb)
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* Description: Implement a single 'module' in the secrets.ldb database
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* This is to avoid forcing a reprovision of the ldb databases when we change the internal structure of the code
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* Author: Andrew Bartlett
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#include <ldb_errors.h>
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#include <ldb_module.h>
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#include "dsdb/samdb/ldb_modules/util.h"
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#include "dsdb/samdb/samdb.h"
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static int samba_secrets_init(struct ldb_module *module)
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struct ldb_context *ldb = ldb_module_get_ctx(module);
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TALLOC_CTX *tmp_ctx = talloc_new(module);
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struct ldb_module *backend_module, *module_chain;
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const char **reverse_module_list;
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Add modules to the list to activate them by default
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beware often order is important
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The list is presented here as a set of declarations to show the
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static const char *modules_list[] = {"update_keytab",
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/* Now prepare the module chain. Oddly, we must give it to ldb_load_modules_list in REVERSE */
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for (len = 0; modules_list[len]; len++) { /* noop */};
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reverse_module_list = talloc_array(tmp_ctx, const char *, len+1);
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if (!reverse_module_list) {
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for (i=0; i < len; i++) {
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reverse_module_list[i] = modules_list[(len - 1) - i];
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reverse_module_list[i] = NULL;
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/* The backend (at least until the partitions module
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* reconfigures things) is the next module in the currently
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backend_module = ldb_module_next(module);
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ret = ldb_module_load_list(ldb, reverse_module_list, backend_module, &module_chain);
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if (ret != LDB_SUCCESS) {
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/* Set this as the 'next' module, so that we effectivly append it to module chain */
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ldb_module_set_next(module, module_chain);
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return ldb_next_init(module);
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static const struct ldb_module_ops ldb_samba_secrets_module_ops = {
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.name = "samba_secrets",
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.init_context = samba_secrets_init,
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int ldb_samba_secrets_module_init(const char *version)
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LDB_MODULE_CHECK_VERSION(version);
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return ldb_register_module(&ldb_samba_secrets_module_ops);