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7e44f9153c
a search() function, instead each module now only implements the bytree method, and the expression based search is handled generically by the modules code. This makes for more consistency and less code duplication. fixed the tdb backend to handle BASE searches much more efficiently. They now always only lookup one record, regardless of the search expression
145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/*
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ldb database library
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Copyright (C) Simo Sorce 2004
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Name: ldb
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*
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* Component: ldb skel module
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*
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* Description: example module
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*
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* Author: Simo Sorce
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*/
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#include "includes.h"
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#include "ldb/include/ldb.h"
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#include "ldb/include/ldb_private.h"
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struct private_data {
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char *some_private_data;
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};
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/* search */
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static int skel_search(struct ldb_module *module, const struct ldb_dn *base,
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enum ldb_scope scope, struct ldb_parse_tree *tree,
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const char * const *attrs, struct ldb_message ***res)
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{
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return ldb_next_search(module, base, scope, tree, attrs, res);
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}
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/* add_record */
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static int skel_add_record(struct ldb_module *module, const struct ldb_message *msg)
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{
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return ldb_next_add_record(module, msg);
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}
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/* modify_record */
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static int skel_modify_record(struct ldb_module *module, const struct ldb_message *msg)
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{
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return ldb_next_modify_record(module, msg);
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}
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/* delete_record */
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static int skel_delete_record(struct ldb_module *module, const struct ldb_dn *dn)
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{
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return ldb_next_delete_record(module, dn);
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}
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/* rename_record */
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static int skel_rename_record(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
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{
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return ldb_next_rename_record(module, olddn, newdn);
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}
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/* start a transaction */
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static int skel_start_trans(struct ldb_module *module)
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{
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return ldb_next_start_trans(module);
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}
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/* end a transaction */
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static int skel_end_trans(struct ldb_module *module)
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{
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return ldb_next_end_trans(module);
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}
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/* delete a transaction */
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static int skel_del_trans(struct ldb_module *module)
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{
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return ldb_next_del_trans(module);
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}
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static int skel_destructor(void *module_ctx)
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{
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struct ldb_module *ctx = talloc_get_type(module_ctx, struct ldb_module);
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struct private_data *data = talloc_get_type(ctx->private_data, struct private_data);
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/* put your clean-up functions here */
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if (data->some_private_data) talloc_free(data->some_private_data);
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return 0;
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}
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static const struct ldb_module_ops skel_ops = {
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.name = "skel",
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.search_bytree = skel_search_bytree,
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.add_record = skel_add_record,
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.modify_record = skel_modify_record,
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.delete_record = skel_delete_record,
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.rename_record = skel_rename_record,
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.start_transaction = skel_start_trans,
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.end_transaction = skel_end_trans,
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.del_transaction = skel_del_trans,
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};
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#ifdef HAVE_DLOPEN_DISABLED
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struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
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#else
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struct ldb_module *skel_module_init(struct ldb_context *ldb, const char *options[])
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#endif
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{
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struct ldb_module *ctx;
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struct private_data *data;
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ctx = talloc(ldb, struct ldb_module);
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if (!ctx)
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return NULL;
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data = talloc(ctx, struct private_data);
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if (data == NULL) {
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talloc_free(ctx);
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return NULL;
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}
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data->some_private_data = NULL;
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ctx->private_data = data;
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ctx->ldb = ldb;
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ctx->prev = ctx->next = NULL;
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ctx->ops = &skel_ops;
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talloc_set_destructor (ctx, skel_destructor);
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return ctx;
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}
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