From 3d674925fd911748df6b516b05899e02cec27463 Mon Sep 17 00:00:00 2001
From: Chenxiong Qi <cqi@redhat.com>
Date: Nov 28 2016 03:20:04 +0000
Subject: New method has_creds


has_creds helps to determine if credential cache collection contains any
credentials, whatever DIR: or FILE: is used.

Signed-off-by: Chenxiong Qi <cqi@redhat.com>

---

diff --git a/cccolutils.c b/cccolutils.c
index 058feb5..aff1c8d 100644
--- a/cccolutils.c
+++ b/cccolutils.c
@@ -19,6 +19,8 @@
 
 krb5_context kcontext;
 
+static PyObject *has_creds(PyObject *self, PyObject *args);
+
 static PyObject *
 get_username(PyObject *self, PyObject *args)
 {
@@ -65,8 +67,29 @@ get_username(PyObject *self, PyObject *args)
     Py_RETURN_NONE;
 }
 
+static PyObject *
+has_creds(PyObject *self, PyObject *args)
+{
+	krb5_error_code code;
+	code = krb5_cccol_have_content(kcontext);
+	if (code == 0)
+	{
+		Py_RETURN_TRUE;
+	}
+	else if (code == KRB5_CC_NOTFOUND)
+	{
+		Py_RETURN_FALSE;
+	}
+	else
+	{
+		PyErr_SetString(PyExc_RuntimeError, "Error checking content of credential cache.");
+		return NULL;
+	}
+}
+
 static PyMethodDef CCColUtilsMethods[] = {
     {"get_user_for_realm", get_username, METH_VARARGS, "Get username for a realm"},
+    {"has_creds", has_creds, METH_NOARGS, "Check if there is any credentials."},
     {NULL, NULL, 0, NULL}
 };