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authorMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-10-03 00:06:41 +0200
committerMatthias Dieter Wallnöfer <mwallnoefer@yahoo.de>2009-10-03 00:14:05 +0200
commit2b9b232912a6e561e0f5ba57afbd605dc4197d97 (patch)
treed1644867aefbb4c489863b94350de5b485b453ac
parent2ab27d78b0f2c10a6d632015090872a0f6542add (diff)
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Revert "s4:LDB/LDAP - Re-allow renames"
This reverts commit 767fce6fccf484b547219abd5e6abc941eacaf92. Simo pointed out that the patch generates race conditions. We need to solve this using a new control.
-rw-r--r--source4/lib/ldb/modules/rdn_name.c53
1 files changed, 4 insertions, 49 deletions
diff --git a/source4/lib/ldb/modules/rdn_name.c b/source4/lib/ldb/modules/rdn_name.c
index 888f35561a..ccbb1ddde4 100644
--- a/source4/lib/ldb/modules/rdn_name.c
+++ b/source4/lib/ldb/modules/rdn_name.c
@@ -3,7 +3,6 @@
Copyright (C) Andrew Bartlett 2005-2009
Copyright (C) Simo Sorce 2006-2008
- Copyright (C) Matthias Dieter Wallnöfer 2009
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
@@ -40,11 +39,6 @@
#include "ldb_includes.h"
#include "ldb_module.h"
-struct rdn_name_private {
- /* rename operation? */
- bool rename;
-};
-
struct rename_context {
struct ldb_module *module;
struct ldb_request *req;
@@ -52,21 +46,6 @@ struct rename_context {
struct ldb_reply *ares;
};
-static int rdn_name_init(struct ldb_module *module)
-{
- struct rdn_name_private *rdn_name_private;
- struct ldb_context *ldb = ldb_module_get_ctx(module);
-
- rdn_name_private = talloc_zero(module, struct rdn_name_private);
- if (rdn_name_private == NULL) {
- ldb_oom(ldb);
- return LDB_ERR_OPERATIONS_ERROR;
- }
- ldb_module_set_private(module, rdn_name_private);
-
- return ldb_next_init(module);
-}
-
static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_message *msg, const char *name)
{
int i;
@@ -135,13 +114,11 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
msg = ldb_msg_copy_shallow(req, req->op.add.message);
if (msg == NULL) {
- talloc_free(ac);
return LDB_ERR_OPERATIONS_ERROR;
}
rdn_name = ldb_dn_get_rdn_name(msg->dn);
if (rdn_name == NULL) {
- talloc_free(ac);
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -153,7 +130,6 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
}
if (ldb_msg_add_value(msg, "name", &rdn_val, NULL) != 0) {
- talloc_free(ac);
return LDB_ERR_OPERATIONS_ERROR;
}
@@ -161,7 +137,6 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
if (!attribute) {
if (ldb_msg_add_value(msg, rdn_name, &rdn_val, NULL) != 0) {
- talloc_free(ac);
return LDB_ERR_OPERATIONS_ERROR;
}
} else {
@@ -188,7 +163,6 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
(const char *)attribute->values[i].data);
}
ldb_set_errstring(ldb, rdn_errstring);
- talloc_free(ac);
/* Match AD's error here */
return LDB_ERR_INVALID_DN_SYNTAX;
}
@@ -200,7 +174,6 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
ac, rdn_name_add_callback,
req);
if (ret != LDB_SUCCESS) {
- talloc_free(ac);
return ret;
}
@@ -212,15 +185,9 @@ static int rdn_name_add(struct ldb_module *module, struct ldb_request *req)
static int rdn_modify_callback(struct ldb_request *req, struct ldb_reply *ares)
{
- struct rdn_name_private *rdn_name_private;
struct rename_context *ac;
ac = talloc_get_type(req->context, struct rename_context);
- rdn_name_private = talloc_get_type(ldb_module_get_private(ac->module),
- struct rdn_name_private);
-
- /* our rename is finished */
- rdn_name_private->rename = false;
if (!ares) {
return ldb_module_done(ac->req, NULL, NULL,
@@ -244,9 +211,8 @@ static int rdn_modify_callback(struct ldb_request *req, struct ldb_reply *ares)
static int rdn_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
{
- struct rdn_name_private *rdn_name_private;
- struct rename_context *ac;
struct ldb_context *ldb;
+ struct rename_context *ac;
struct ldb_request *mod_req;
const char *rdn_name;
struct ldb_val rdn_val;
@@ -255,8 +221,6 @@ static int rdn_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
ac = talloc_get_type(req->context, struct rename_context);
ldb = ldb_module_get_ctx(ac->module);
- rdn_name_private = talloc_get_type(ldb_module_get_private(ac->module),
- struct rdn_name_private);
if (!ares) {
goto error;
@@ -302,9 +266,6 @@ static int rdn_rename_callback(struct ldb_request *req, struct ldb_reply *ares)
goto error;
}
- /* we do a rename */
- rdn_name_private->rename = true;
-
ret = ldb_build_mod_req(&mod_req, ldb,
ac, msg, NULL,
ac, rdn_modify_callback,
@@ -356,8 +317,7 @@ static int rdn_name_rename(struct ldb_module *module, struct ldb_request *req)
req);
if (ret != LDB_SUCCESS) {
- talloc_free(ac);
- return ret;
+ return LDB_ERR_OPERATIONS_ERROR;
}
/* rename first, modify "name" if rename is ok */
@@ -366,8 +326,6 @@ static int rdn_name_rename(struct ldb_module *module, struct ldb_request *req)
static int rdn_name_modify(struct ldb_module *module, struct ldb_request *req)
{
- struct rdn_name_private *rdn_name_private =
- talloc_get_type(ldb_module_get_private(module), struct rdn_name_private);
struct ldb_context *ldb;
ldb = ldb_module_get_ctx(module);
@@ -378,15 +336,13 @@ static int rdn_name_modify(struct ldb_module *module, struct ldb_request *req)
return ldb_next_request(module, req);
}
- if ((!rdn_name_private->rename)
- && ldb_msg_find_element(req->op.mod.message, "name")) {
+ if (ldb_msg_find_element(req->op.mod.message, "name")) {
ldb_asprintf_errstring(ldb, "Modify of 'name' on %s not permitted, must use 'rename' operation instead",
ldb_dn_get_linearized(req->op.mod.message->dn));
return LDB_ERR_NOT_ALLOWED_ON_RDN;
}
- if ((!rdn_name_private->rename)
- && ldb_msg_find_element(req->op.mod.message, ldb_dn_get_rdn_name(req->op.mod.message->dn))) {
+ if (ldb_msg_find_element(req->op.mod.message, ldb_dn_get_rdn_name(req->op.mod.message->dn))) {
ldb_asprintf_errstring(ldb, "Modify of RDN '%s' on %s not permitted, must use 'rename' operation instead",
ldb_dn_get_rdn_name(req->op.mod.message->dn), ldb_dn_get_linearized(req->op.mod.message->dn));
return LDB_ERR_NOT_ALLOWED_ON_RDN;
@@ -398,7 +354,6 @@ static int rdn_name_modify(struct ldb_module *module, struct ldb_request *req)
const struct ldb_module_ops ldb_rdn_name_module_ops = {
.name = "rdn_name",
- .init_context = rdn_name_init,
.add = rdn_name_add,
.modify = rdn_name_modify,
.rename = rdn_name_rename