source4/dsdb/samdb/ldb_modules/lazy_commit.c

   1 /*
   2    ldb database library
   3
   4    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 /*
  21  *  Name: ldb
  22  *
  23  *  Component: ldb lazy_commit module
  24  *
  25  *  Description: module to pretend to support the 'lazy commit' control
  26  *
  27  *  Author: Andrew Bartlett
  28  */
  29
  30 #include "ldb_module.h"
  31
  32 static int unlazy_op(struct ldb_module *module, struct ldb_request *req)
  33 {
  34         int ret;
  35         struct ldb_request *new_req;
  36         struct ldb_control *control = ldb_request_get_control(req, LDB_CONTROL_SERVER_LAZY_COMMIT);
  37         if (!control) {
  38                 return ldb_next_request(module, req);
  39         }
  40
  41         switch (req->operation) {
  42         case LDB_SEARCH:
  43                 ret = ldb_build_search_req_ex(&new_req, ldb_module_get_ctx(module),
  44                                               req,
  45                                               req->op.search.base,
  46                                               req->op.search.scope,
  47                                               req->op.search.tree,
  48                                               req->op.search.attrs,
  49                                               req->controls,
  50                                               req->context, req->callback,
  51                                               req);
  52                 break;
  53         case LDB_ADD:
  54                 ret = ldb_build_add_req(&new_req, ldb_module_get_ctx(module), req,
  55                                         req->op.add.message,
  56                                         req->controls,
  57                                         req->context, req->callback,
  58                                         req);
  59                 break;
  60         case LDB_MODIFY:
  61                 ret = ldb_build_mod_req(&new_req, ldb_module_get_ctx(module), req,
  62                                         req->op.mod.message,
  63                                         req->controls,
  64                                         req->context, req->callback,
  65                                         req);
  66                 break;
  67         case LDB_DELETE:
  68                 ret = ldb_build_del_req(&new_req, ldb_module_get_ctx(module), req,
  69                                         req->op.del.dn,
  70                                         req->controls,
  71                                         req->context, req->callback,
  72                                         req);
  73                 break;
  74         case LDB_RENAME:
  75                 ret = ldb_build_rename_req(&new_req, ldb_module_get_ctx(module), req,
  76                                            req->op.rename.olddn,
  77                                            req->op.rename.newdn,
  78                                            req->controls,
  79                                            req->context, req->callback,
  80                                            req);
  81                 break;
  82         case LDB_EXTENDED:
  83                 ret = ldb_build_extended_req(&new_req, ldb_module_get_ctx(module),
  84                                              req,
  85                                              req->op.extended.oid,
  86                                              req->op.extended.data,
  87                                              req->controls,
  88                                              req->context, req->callback,
  89                                              req);
  90                 break;
  91         default:
  92                 ldb_set_errstring(ldb_module_get_ctx(module),
  93                                   "Unsupported request type!");
  94                 ret = LDB_ERR_UNWILLING_TO_PERFORM;
  95         }
  96
  97         if (ret != LDB_SUCCESS) {
  98                 return ret;
  99         }
 100
 101         control->critical = 0;
 102         return ldb_next_request(module, new_req);
 103 }
 104
 105 static int unlazy_init(struct ldb_module *module)
 106 {
 107         int ret;
 108         struct ldb_context *ldb;
 109         ldb = ldb_module_get_ctx(module);
 110
 111         ret = ldb_mod_register_control(module, LDB_CONTROL_SHOW_DELETED_OID);
 112         if (ret != LDB_SUCCESS) {
 113                 ldb_debug(ldb, LDB_DEBUG_ERROR,
 114                         "lazy_commit: Unable to register control with rootdse!\n");
 115                 return LDB_ERR_OPERATIONS_ERROR;
 116         }
 117
 118         return ldb_next_init(module);
 119 }
 120
 121 const struct ldb_module_ops ldb_lazy_commit_module_ops = {
 122         .name              = "lazy_commit",
 123         .search            = unlazy_op,
 124         .add               = unlazy_op,
 125         .modify            = unlazy_op,
 126         .del               = unlazy_op,
 127         .rename            = unlazy_op,
 128         .request           = unlazy_op,
 129         .extended          = unlazy_op,
 130         .init_context      = unlazy_init,
 131 };