diff options
Diffstat (limited to 'source4/dsdb')
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/config.mk | 13 | ||||
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/instancetype.c | 128 |
2 files changed, 141 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/config.mk b/source4/dsdb/samdb/ldb_modules/config.mk index a41a29b5dd..dc407fbd8a 100644 --- a/source4/dsdb/samdb/ldb_modules/config.mk +++ b/source4/dsdb/samdb/ldb_modules/config.mk @@ -333,3 +333,16 @@ OBJ_FILES = \ # End MODULE ldb_normalise ################################################ +################################################ +# Start MODULE ldb_instancetype +[MODULE::ldb_instancetype] +INIT_FUNCTION = ldb_instancetype_init +CFLAGS = -Ilib/ldb/include +OUTPUT_TYPE = SHARED_LIBRARY +PRIVATE_DEPENDENCIES = LIBTALLOC +SUBSYSTEM = LIBLDB +OBJ_FILES = \ + instancetype.o +# End MODULE ldb_instancetype +################################################ + diff --git a/source4/dsdb/samdb/ldb_modules/instancetype.c b/source4/dsdb/samdb/ldb_modules/instancetype.c new file mode 100644 index 0000000000..ee1f2ff7ba --- /dev/null +++ b/source4/dsdb/samdb/ldb_modules/instancetype.c @@ -0,0 +1,128 @@ +/* + ldb database library + + Copyright (C) Simo Sorce 2004-2006 + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005 + Copyright (C) Andrew Tridgell 2005 + Copyright (C) Stefan Metzmacher <metze@samba.org> 2007 + + ** NOTE! The following LGPL license applies to the ldb + ** library. This does NOT imply that all of Samba is released + ** under the LGPL + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 3 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + +/* + * Name: ldb + * + * Component: ldb instancetype module + * + * Description: add an instanceType onto every new record + * + * Author: Simo Sorce + */ + +#include "includes.h" +#include "ldb/include/ldb_includes.h" +#include "librpc/gen_ndr/ndr_misc.h" +#include "param/param.h" +#include "dsdb/samdb/samdb.h" +#include "dsdb/common/flags.h" + +/* add_record: add instancetype attribute */ +static int instancetype_add(struct ldb_module *module, struct ldb_request *req) +{ + struct ldb_request *down_req; + struct ldb_message *msg; + uint32_t instance_type; + int ret; + const struct ldb_control *partition_ctrl; + const struct dsdb_control_current_partition *partition; + + + ldb_debug(module->ldb, LDB_DEBUG_TRACE, "instancetype_add_record\n"); + + /* do not manipulate our control entries */ + if (ldb_dn_is_special(req->op.add.message->dn)) { + return ldb_next_request(module, req); + } + + partition_ctrl = ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID); + if (!partition_ctrl) { + ldb_debug_set(module->ldb, LDB_DEBUG_FATAL, + "instancetype_add: no current partition control found"); + return LDB_ERR_CONSTRAINT_VIOLATION; + } + + partition = talloc_get_type(partition_ctrl->data, + struct dsdb_control_current_partition); + SMB_ASSERT(partition && partition->version == DSDB_CONTROL_CURRENT_PARTITION_VERSION); + + down_req = talloc(req, struct ldb_request); + if (down_req == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + *down_req = *req; + + /* we have to copy the message as the caller might have it as a const */ + down_req->op.add.message = msg = ldb_msg_copy_shallow(down_req, req->op.add.message); + if (msg == NULL) { + talloc_free(down_req); + return LDB_ERR_OPERATIONS_ERROR; + } + + /* + * TODO: calculate correct instance type + */ + instance_type = INSTANCE_TYPE_WRITE; + if (ldb_dn_compare(partition->dn, msg->dn) == 0) { + instance_type |= INSTANCE_TYPE_IS_NC_HEAD; + if (ldb_dn_compare(msg->dn, samdb_base_dn(module->ldb)) != 0) { + instance_type |= INSTANCE_TYPE_NC_ABOVE; + } + } + + ret = ldb_msg_add_fmt(msg, "instanceType", "%u", instance_type); + if (ret != LDB_SUCCESS) { + talloc_free(down_req); + ldb_oom(module->ldb); + return LDB_ERR_OPERATIONS_ERROR; + } + + ldb_set_timeout_from_prev_req(module->ldb, req, down_req); + + /* go on with the call chain */ + ret = ldb_next_request(module, down_req); + + /* do not free down_req as the call results may be linked to it, + * it will be freed when the upper level request get freed */ + if (ret == LDB_SUCCESS) { + req->handle = down_req->handle; + } + + return ret; +} + +static const struct ldb_module_ops instancetype_ops = { + .name = "instancetype", + .add = instancetype_add, +}; + + +int ldb_instancetype_init(void) +{ + return ldb_register_module(&instancetype_ops); +} |