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b5ee6ae29d
If we want to modify the the passed request on its way down the module chain, we should use the proper way and use ldb_msg_copy_shallow() and ldb_build_add_req(). This way we don't alter the callers const structure. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "replace.h"
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#include "ldb_module.h"
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static int sample_add_callback(struct ldb_request *down_req,
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struct ldb_reply *ares)
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{
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struct ldb_request *req =
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talloc_get_type_abort(down_req->context,
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struct ldb_request);
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if (ares == NULL) {
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return ldb_module_done(req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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if (ares->type == LDB_REPLY_REFERRAL) {
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return ldb_module_send_referral(req, ares->referral);
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}
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if (ares->error != LDB_SUCCESS) {
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return ldb_module_done(req, ares->controls,
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ares->response, ares->error);
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}
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if (ares->type != LDB_REPLY_DONE) {
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return ldb_module_done(req, NULL, NULL,
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LDB_ERR_OPERATIONS_ERROR);
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}
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return ldb_module_done(req, ares->controls,
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ares->response, LDB_SUCCESS);
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}
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static int sample_add(struct ldb_module *mod, struct ldb_request *req)
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{
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struct ldb_context *ldb = ldb_module_get_ctx(mod);
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struct ldb_control *control = NULL;
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struct ldb_message *msg = NULL;
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struct ldb_request *down_req = NULL;
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int ret;
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/* check if there's a relax control */
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control = ldb_request_get_control(req, LDB_CONTROL_RELAX_OID);
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if (control != NULL) {
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return LDB_ERR_UNWILLING_TO_PERFORM;
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}
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msg = ldb_msg_copy_shallow(req, req->op.add.message);
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if (msg == NULL) {
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return LDB_ERR_OPERATIONS_ERROR;
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}
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ret = ldb_msg_add_fmt(msg, "touchedBy", "sample");
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if (ret != LDB_SUCCESS) {
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return ret;
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}
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ret = ldb_build_add_req(&down_req, ldb, req,
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msg,
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req->controls,
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req, sample_add_callback,
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req);
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if (ret != LDB_SUCCESS) {
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return ret;
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}
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talloc_steal(down_req, msg);
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/* go on with the call chain */
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return ldb_next_request(mod, down_req);
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}
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static int sample_modify(struct ldb_module *mod, struct ldb_request *req)
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{
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struct ldb_control *control;
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/* check if there's a relax control */
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control = ldb_request_get_control(req, LDB_CONTROL_RELAX_OID);
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if (control != NULL) {
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return LDB_ERR_UNWILLING_TO_PERFORM;
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}
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/* not found go on */
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return ldb_next_request(mod, req);
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}
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static struct ldb_module_ops ldb_sample_module_ops = {
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.name = "sample",
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.add = sample_add,
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.del = sample_modify,
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.modify = sample_modify,
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};
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int ldb_sample_init(const char *version)
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{
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LDB_MODULE_CHECK_VERSION(version);
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return ldb_register_module(&ldb_sample_module_ops);
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}
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