diff options
| -rw-r--r-- | source4/dsdb/pydsdb.c | 45 | ||||
| -rw-r--r-- | source4/scripting/python/samba/samdb.py | 5 |
2 files changed, 50 insertions, 0 deletions
diff --git a/source4/dsdb/pydsdb.c b/source4/dsdb/pydsdb.c index 463a2f99d9..e74f2bb584 100644 --- a/source4/dsdb/pydsdb.c +++ b/source4/dsdb/pydsdb.c @@ -394,6 +394,49 @@ static PyObject *py_dsdb_get_linkId_from_lDAPDisplayName(PyObject *self, PyObjec return PyInt_FromLong(attribute->linkID); } +/* + return the backlink attribute name (if any) for an attribute + */ +static PyObject *py_dsdb_get_backlink_from_lDAPDisplayName(PyObject *self, PyObject *args) +{ + PyObject *py_ldb; + struct ldb_context *ldb; + struct dsdb_schema *schema; + const char *ldap_display_name; + const struct dsdb_attribute *attribute, *target_attr; + + if (!PyArg_ParseTuple(args, "Os", &py_ldb, &ldap_display_name)) + return NULL; + + PyErr_LDB_OR_RAISE(py_ldb, ldb); + + schema = dsdb_get_schema(ldb, NULL); + + if (!schema) { + PyErr_SetString(PyExc_RuntimeError, "Failed to find a schema from ldb"); + return NULL; + } + + attribute = dsdb_attribute_by_lDAPDisplayName(schema, ldap_display_name); + if (attribute == NULL) { + PyErr_Format(PyExc_RuntimeError, "Failed to find attribute '%s'", ldap_display_name); + return NULL; + } + + if (attribute->linkID == 0) { + Py_RETURN_NONE; + } + + target_attr = dsdb_attribute_by_linkID(schema, attribute->linkID ^ 1); + if (target_attr == NULL) { + /* when we add pseudo-backlinks we'll need to handle + them here */ + Py_RETURN_NONE; + } + + return PyString_FromString(target_attr->lDAPDisplayName); +} + static PyObject *py_dsdb_get_lDAPDisplayName_by_attid(PyObject *self, PyObject *args) { @@ -937,6 +980,8 @@ static PyMethodDef py_dsdb_methods[] = { METH_VARARGS, NULL }, { "_dsdb_get_lDAPDisplayName_by_attid", (PyCFunction)py_dsdb_get_lDAPDisplayName_by_attid, METH_VARARGS, NULL }, + { "_dsdb_get_backlink_from_lDAPDisplayName", (PyCFunction)py_dsdb_get_backlink_from_lDAPDisplayName, + METH_VARARGS, NULL }, { "_dsdb_set_ntds_invocation_id", (PyCFunction)py_dsdb_set_ntds_invocation_id, METH_VARARGS, NULL }, diff --git a/source4/scripting/python/samba/samdb.py b/source4/scripting/python/samba/samdb.py index f77ce1737d..a7ed1d2c39 100644 --- a/source4/scripting/python/samba/samdb.py +++ b/source4/scripting/python/samba/samdb.py @@ -521,6 +521,11 @@ accountExpires: %u '''return the lDAPDisplayName from an integer DRS attribute ID''' return dsdb._dsdb_get_lDAPDisplayName_by_attid(self, attid) + def get_backlink_from_lDAPDisplayName(self, ldap_display_name): + '''return the attribute name of the corresponding backlink from the name + of a forward link attribute. If there is no backlink return None''' + return dsdb._dsdb_get_backlink_from_lDAPDisplayName(self, ldap_display_name) + def set_ntds_settings_dn(self, ntds_settings_dn): """Set the NTDS Settings DN, as would be returned on the dsServiceName rootDSE attribute. |