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-rw-r--r--source4/dsdb/samdb/ldb_modules/acl.c83
1 files changed, 61 insertions, 22 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/acl.c b/source4/dsdb/samdb/ldb_modules/acl.c
index 2504568764..2b3abce6b5 100644
--- a/source4/dsdb/samdb/ldb_modules/acl.c
+++ b/source4/dsdb/samdb/ldb_modules/acl.c
@@ -751,14 +751,19 @@ static int acl_check_spn(TALLOC_CTX *mem_ctx,
static int acl_add(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
const struct dsdb_schema *schema;
struct ldb_message_element *oc_el;
const struct GUID *guid;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+ if (ldb_dn_is_special(req->op.add.message->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
@@ -766,12 +771,14 @@ static int acl_add(struct ldb_module *module, struct ldb_request *req)
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.add.message->dn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.add.message->dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Creating an NC. There is probably something we should do here,
* but we will establish that later */
@@ -981,9 +988,9 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
struct ldb_result *acl_res;
struct security_descriptor *sd;
struct dom_sid *sid = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
bool userPassword;
- TALLOC_CTX *tmp_ctx = talloc_new(req);
+ TALLOC_CTX *tmp_ctx;
static const char *acl_attrs[] = {
"nTSecurityDescriptor",
"objectClass",
@@ -991,6 +998,11 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
NULL
};
+ if (ldb_dn_is_special(req->op.mod.message->dn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
@@ -1003,9 +1015,12 @@ static int acl_modify(struct ldb_module *module, struct ldb_request *req)
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.mod.message->dn)) {
- return ldb_next_request(module, req);
+
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
}
+
ret = dsdb_module_search_dn(module, tmp_ctx, &acl_res, req->op.mod.message->dn,
acl_attrs,
DSDB_FLAG_NEXT_MODULE |
@@ -1198,25 +1213,33 @@ fail:
static int acl_delete(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *parent = ldb_dn_get_parent(req, req->op.del.dn);
+ struct ldb_dn *parent;
struct ldb_context *ldb;
struct ldb_dn *nc_root;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
+ struct ldb_control *as_system;
+
+ if (ldb_dn_is_special(req->op.del.dn)) {
+ return ldb_next_request(module, req);
+ }
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
- DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.del.dn)) {
- return ldb_next_request(module, req);
- }
+
+ DEBUG(10, ("ldb:acl_delete: %s\n", ldb_dn_get_linearized(req->op.del.dn)));
ldb = ldb_module_get_ctx(module);
+ parent = ldb_dn_get_parent(req, req->op.del.dn);
+ if (parent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't deleting a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.del.dn, &nc_root);
@@ -1265,8 +1288,8 @@ static int acl_delete(struct ldb_module *module, struct ldb_request *req)
static int acl_rename(struct ldb_module *module, struct ldb_request *req)
{
int ret;
- struct ldb_dn *oldparent = ldb_dn_get_parent(req, req->op.rename.olddn);
- struct ldb_dn *newparent = ldb_dn_get_parent(req, req->op.rename.newdn);
+ struct ldb_dn *oldparent;
+ struct ldb_dn *newparent;
const struct dsdb_schema *schema;
struct ldb_context *ldb;
struct security_descriptor *sd = NULL;
@@ -1276,8 +1299,8 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
struct ldb_dn *nc_root;
struct object_tree *root = NULL;
struct object_tree *new_node = NULL;
- struct ldb_control *as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
- TALLOC_CTX *tmp_ctx = talloc_new(req);
+ struct ldb_control *as_system;
+ TALLOC_CTX *tmp_ctx;
NTSTATUS status;
uint32_t access_granted;
const char *rdn_name;
@@ -1288,6 +1311,11 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
NULL
};
+ if (ldb_dn_is_special(req->op.rename.olddn)) {
+ return ldb_next_request(module, req);
+ }
+
+ as_system = ldb_request_get_control(req, LDB_CONTROL_AS_SYSTEM_OID);
if (as_system != NULL) {
as_system->critical = 0;
}
@@ -1296,12 +1324,23 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
if (dsdb_module_am_system(module) || as_system) {
return ldb_next_request(module, req);
}
- if (ldb_dn_is_special(req->op.rename.olddn)) {
- return ldb_next_request(module, req);
- }
ldb = ldb_module_get_ctx(module);
+ tmp_ctx = talloc_new(req);
+ if (tmp_ctx == NULL) {
+ return ldb_oom(ldb);
+ }
+
+ oldparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.olddn);
+ if (oldparent == NULL) {
+ return ldb_oom(ldb);
+ }
+ newparent = ldb_dn_get_parent(tmp_ctx, req->op.rename.newdn);
+ if (newparent == NULL) {
+ return ldb_oom(ldb);
+ }
+
/* Make sure we aren't renaming/moving a NC */
ret = dsdb_find_nc_root(ldb, req, req->op.rename.olddn, &nc_root);