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authorStefan Metzmacher <metze@samba.org>2013-01-16 16:43:14 +0100
committerStefan Metzmacher <metze@samba.org>2013-01-21 16:12:45 +0100
commit8aa855573067418c84f71aa3a20e5f472343851d (patch)
tree3aa82cf06685e552e2b785af11bfc4588fbd9d38 /source4/dsdb/samdb/ldb_modules
parent8d31e42eed71e9686b03c496eeff1ff96a6742ea (diff)
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dsdb-acl: make use of acl_check_access_on_{attribute,objectclass} in acl_rename()
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'source4/dsdb/samdb/ldb_modules')
-rw-r--r--source4/dsdb/samdb/ldb_modules/acl.c90
1 files changed, 43 insertions, 47 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/acl.c b/source4/dsdb/samdb/ldb_modules/acl.c
index b4b170f5dd..0ab96709be 100644
--- a/source4/dsdb/samdb/ldb_modules/acl.c
+++ b/source4/dsdb/samdb/ldb_modules/acl.c
@@ -1238,18 +1238,14 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
struct ldb_dn *newparent;
const struct dsdb_schema *schema;
const struct dsdb_class *objectclass;
+ const struct dsdb_attribute *attr = NULL;
struct ldb_context *ldb;
struct security_descriptor *sd = NULL;
struct dom_sid *sid = NULL;
struct ldb_result *acl_res;
- const struct GUID *guid;
struct ldb_dn *nc_root;
- struct object_tree *root = NULL;
- struct object_tree *new_node = NULL;
struct ldb_control *as_system;
TALLOC_CTX *tmp_ctx;
- NTSTATUS status;
- uint32_t access_granted;
const char *rdn_name;
static const char *acl_attrs[] = {
"nTSecurityDescriptor",
@@ -1318,12 +1314,24 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
return ret;
}
+ ret = dsdb_get_sd_from_ldb_message(ldb, req, acl_res->msgs[0], &sd);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+ if (!sd) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
schema = dsdb_get_schema(ldb, acl_res);
if (!schema) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
+ sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
+
objectclass = dsdb_get_structural_oc_from_msg(schema, acl_res->msgs[0]);
if (!objectclass) {
talloc_free(tmp_ctx);
@@ -1331,18 +1339,27 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
"acl_modify: Error retrieving object class for GUID.");
}
- if (!insert_in_object_tree(tmp_ctx, &objectclass->schemaIDGUID, SEC_ADS_WRITE_PROP,
- &root, &new_node)) {
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, "name");
+ if (attr == NULL) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
- guid = attribute_schemaid_guid_by_lDAPDisplayName(schema,
- "name");
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &new_node, &new_node)) {
+ ret = acl_check_access_on_attribute(module, tmp_ctx, sd, sid,
+ SEC_ADS_WRITE_PROP,
+ attr, objectclass);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb_module_get_ctx(module),
+ "Object %s has no wp on %s\n",
+ ldb_dn_get_linearized(req->op.rename.olddn),
+ attr->lDAPDisplayName);
+ dsdb_acl_debug(sd,
+ acl_user_token(module),
+ req->op.rename.olddn,
+ true,
+ 10);
talloc_free(tmp_ctx);
- return ldb_operr(ldb);
+ return LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS;
}
rdn_name = ldb_dn_get_rdn_name(req->op.rename.olddn);
@@ -1350,36 +1367,21 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
- guid = attribute_schemaid_guid_by_lDAPDisplayName(schema,
- rdn_name);
- if (!insert_in_object_tree(tmp_ctx, guid, SEC_ADS_WRITE_PROP,
- &new_node, &new_node)) {
- talloc_free(tmp_ctx);
- return ldb_operr(ldb);
- };
-
- ret = dsdb_get_sd_from_ldb_message(ldb, req, acl_res->msgs[0], &sd);
- if (ret != LDB_SUCCESS) {
+ attr = dsdb_attribute_by_lDAPDisplayName(schema, rdn_name);
+ if (attr == NULL) {
talloc_free(tmp_ctx);
return ldb_operr(ldb);
}
- /* Theoretically we pass the check if the object has no sd */
- if (!sd) {
- talloc_free(tmp_ctx);
- return LDB_SUCCESS;
- }
- sid = samdb_result_dom_sid(req, acl_res->msgs[0], "objectSid");
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_ADS_WRITE_PROP,
- &access_granted,
- root,
- sid);
- if (!NT_STATUS_IS_OK(status)) {
+ ret = acl_check_access_on_attribute(module, tmp_ctx, sd, sid,
+ SEC_ADS_WRITE_PROP,
+ attr, objectclass);
+ if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
- "Object %s has no wp on name\n",
- ldb_dn_get_linearized(req->op.rename.olddn));
+ "Object %s has no wp on %s\n",
+ ldb_dn_get_linearized(req->op.rename.olddn),
+ attr->lDAPDisplayName);
dsdb_acl_debug(sd,
acl_user_token(module),
req->op.rename.olddn,
@@ -1396,9 +1398,6 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
}
/* new parent should have create child */
- root = NULL;
- new_node = NULL;
-
ret = dsdb_module_check_access_on_dn(module, req, newparent,
SEC_ADS_CREATE_CHILD,
&objectclass->schemaIDGUID, req);
@@ -1409,15 +1408,12 @@ static int acl_rename(struct ldb_module *module, struct ldb_request *req)
talloc_free(tmp_ctx);
return ret;
}
- /* do we have delete object on the object? */
-
- status = sec_access_check_ds(sd, acl_user_token(module),
- SEC_STD_DELETE,
- &access_granted,
- NULL,
- sid);
- if (NT_STATUS_IS_OK(status)) {
+ /* do we have delete object on the object? */
+ ret = acl_check_access_on_objectclass(module, tmp_ctx, sd, sid,
+ SEC_STD_DELETE,
+ objectclass);
+ if (ret == LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ldb_next_request(module, req);
}