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 #include "dsdb/samdb/ldb_modules/util.h"
  32
  33 static int unlazy_op(struct ldb_module *module, struct ldb_request *req)
  34 {
  35         int ret;
  36         struct ldb_request *new_req;
  37         struct ldb_control *control = ldb_request_get_control(req, LDB_CONTROL_SERVER_LAZY_COMMIT);
  38         if (!control) {
  39                 return ldb_next_request(module, req);
  40         }
  41
  42         switch (req->operation) {
  43         case LDB_SEARCH:
  44                 ret = ldb_build_search_req_ex(&new_req, ldb_module_get_ctx(module),
  45                                               req,
  46                                               req->op.search.base,
  47                                               req->op.search.scope,
  48                                               req->op.search.tree,
  49                                               req->op.search.attrs,
  50                                               req->controls,
  51                                               req, dsdb_next_callback,
  52                                               req);
  53                 LDB_REQ_SET_LOCATION(new_req);
  54                 break;
  55         case LDB_ADD:
  56                 ret = ldb_build_add_req(&new_req, ldb_module_get_ctx(module), req,
  57                                         req->op.add.message,
  58                                         req->controls,
  59                                         req, dsdb_next_callback,
  60                                         req);
  61                 LDB_REQ_SET_LOCATION(new_req);
  62                 break;
  63         case LDB_MODIFY:
  64                 ret = ldb_build_mod_req(&new_req, ldb_module_get_ctx(module), req,
  65                                         req->op.mod.message,
  66                                         req->controls,
  67                                         req, dsdb_next_callback,
  68                                         req);
  69                 LDB_REQ_SET_LOCATION(new_req);
  70                 break;
  71         case LDB_DELETE:
  72                 ret = ldb_build_del_req(&new_req, ldb_module_get_ctx(module), req,
  73                                         req->op.del.dn,
  74                                         req->controls,
  75                                         req, dsdb_next_callback,
  76                                         req);
  77                 LDB_REQ_SET_LOCATION(new_req);
  78                 break;
  79         case LDB_RENAME:
  80                 ret = ldb_build_rename_req(&new_req, ldb_module_get_ctx(module), req,
  81                                            req->op.rename.olddn,
  82                                            req->op.rename.newdn,
  83                                            req->controls,
  84                                            req, dsdb_next_callback,
  85                                            req);
  86                 LDB_REQ_SET_LOCATION(new_req);
  87                 break;
  88         case LDB_EXTENDED:
  89                 ret = ldb_build_extended_req(&new_req, ldb_module_get_ctx(module),
  90                                              req,
  91                                              req->op.extended.oid,
  92                                              req->op.extended.data,
  93                                              req->controls,
  94                                              req, dsdb_next_callback,
  95                                              req);
  96                 LDB_REQ_SET_LOCATION(new_req);
  97                 break;
  98         default:
  99                 ldb_set_errstring(ldb_module_get_ctx(module),
 100                                   "Unsupported request type!");
 101                 ret = LDB_ERR_UNWILLING_TO_PERFORM;
 102         }
 103
 104         if (ret != LDB_SUCCESS) {
 105                 return ret;
 106         }
 107
 108         control->critical = 0;
 109         return ldb_next_request(module, new_req);
 110 }
 111
 112 static const struct ldb_module_ops ldb_lazy_commit_module_ops = {
 113         .name              = "lazy_commit",
 114         .search            = unlazy_op,
 115         .add               = unlazy_op,
 116         .modify            = unlazy_op,
 117         .del               = unlazy_op,
 118         .rename            = unlazy_op,
 119         .request           = unlazy_op,
 120         .extended          = unlazy_op,
 121 };
 122
 123 int ldb_lazy_commit_module_init(const char *version)
 124 {
 125         return ldb_register_module(&ldb_lazy_commit_module_ops);
 126 }