From 2a67eda98f88f132443bc2b81ca2686bcc1775a6 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Sun, 4 Apr 2010 00:40:01 +0200
Subject: s4-python: Move set_opaque_integer -> dsdb.

---
 source4/dsdb/pydsdb.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 72 insertions(+), 6 deletions(-)

(limited to 'source4/dsdb/pydsdb.c')

diff --git a/source4/dsdb/pydsdb.c b/source4/dsdb/pydsdb.c
index 248bc1a07a..b4f0b0f339 100644
--- a/source4/dsdb/pydsdb.c
+++ b/source4/dsdb/pydsdb.c
@@ -36,15 +36,15 @@ static PyObject *py_samdb_server_site_name(PyObject *self, PyObject *args)
 	PyObject *py_ldb, *result;
 	struct ldb_context *ldb;
 	const char *site;
-	TALLOC_CTX *mem_ctx = talloc_new(NULL);
+	TALLOC_CTX *mem_ctx;
 
-	if (!PyArg_ParseTuple(args, "O", &py_ldb)) {
-		talloc_free(mem_ctx);
+	if (!PyArg_ParseTuple(args, "O", &py_ldb))
 		return NULL;
-	}
 
 	PyErr_LDB_OR_RAISE(py_ldb, ldb);
 
+	mem_ctx = talloc_new(NULL);
+
 	site = samdb_server_site_name(ldb, mem_ctx);
 	if (site == NULL) {
 		PyErr_SetString(PyExc_RuntimeError, "Failed to find server site");
@@ -57,9 +57,75 @@ static PyObject *py_samdb_server_site_name(PyObject *self, PyObject *args)
 	return result;
 }
 
+/* XXX: This function really should be in pyldb.c */
+static PyObject *py_dsdb_set_opaque_integer(PyObject *self, PyObject *args)
+{
+	PyObject *py_ldb;
+	int value;
+	int *old_val, *new_val;
+	char *py_opaque_name, *opaque_name_talloc;
+	struct ldb_context *ldb;
+	TALLOC_CTX *tmp_ctx;
+
+	if (!PyArg_ParseTuple(args, "Osi", &py_ldb, &py_opaque_name, &value))
+		return NULL;
+
+	PyErr_LDB_OR_RAISE(py_ldb, ldb);
+
+	/* see if we have a cached copy */
+	old_val = (int *)ldb_get_opaque(ldb, py_opaque_name);
+	/* XXX: We shouldn't just blindly assume that the value that is 
+	 * already present has the size of an int and is not shared 
+	 * with other code that may rely on it not changing. 
+	 * JRV 20100403 */
+
+	if (old_val) {
+		*old_val = value;
+		Py_RETURN_NONE;
+	} 
+
+	tmp_ctx = talloc_new(ldb);
+	if (tmp_ctx == NULL) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	
+	new_val = talloc(tmp_ctx, int);
+	if (new_val == NULL) {
+		talloc_free(tmp_ctx);
+		PyErr_NoMemory();
+		return NULL;
+	}
+	
+	opaque_name_talloc = talloc_strdup(tmp_ctx, py_opaque_name);
+	if (opaque_name_talloc == NULL) {
+		talloc_free(tmp_ctx);
+		PyErr_NoMemory();
+		return NULL;
+	}
+	
+	*new_val = value;
+
+	/* cache the domain_sid in the ldb */
+	if (ldb_set_opaque(ldb, opaque_name_talloc, new_val) != LDB_SUCCESS) {
+		talloc_free(tmp_ctx);
+		PyErr_SetString(PyExc_RuntimeError,
+					"Failed to set opaque integer into the ldb");
+		return NULL;
+	}
+
+	talloc_steal(ldb, new_val);
+	talloc_steal(ldb, opaque_name_talloc);
+	talloc_free(tmp_ctx);
+
+	Py_RETURN_NONE;
+}
+
 static PyMethodDef py_dsdb_methods[] = {
-	{ "server_site_name", (PyCFunction)py_samdb_server_site_name, METH_VARARGS,
-		"get the server site name as a string"},
+	{ "samdb_server_site_name", (PyCFunction)py_samdb_server_site_name,
+		METH_VARARGS, "Get the server site name as a string"},
+	{ "dsdb_set_opaque_integer", (PyCFunction)py_dsdb_set_opaque_integer,
+		METH_VARARGS, NULL },
 	{ NULL }
 };
 
-- 
cgit