s4-pyglue: added interface_ips() call

This allows a python script to query the internal network interface
lists from Samba

diff --git a/source4/scripting/python/pyglue.c b/source4/scripting/python/pyglue.c
index 57e6043eb230d22a78cb41bc76e2ebf79c7a180a..f0723867917e1cfd1ee0711033b4f8e8831d75c6 100644 (file)
--- a/source4/scripting/python/pyglue.c
+++ b/source4/scripting/python/pyglue.c
@@ -34,6 +34,8 @@
 #include "auth/pyauth.h"
 #include "param/pyparam.h"
 #include "auth/credentials/pycredentials.h"
+#include "lib/socket/netif.h"
+#include "lib/socket/netif_proto.h"
 
 /* FIXME: These should be in a header file somewhere, once we finish moving
  * away from SWIG .. */
@@ -486,6 +488,45 @@ static PyObject *py_dsdb_load_partition_usn(PyObject *self, PyObject *args)
 }
 
 
+/*
+  return the list of interface IPs we have configured
+  takes an loadparm context, returns a list of IPs in string form
+ */
+static PyObject *py_interface_ips(PyObject *self, PyObject *args)
+{
+       PyObject *pylist;
+       int count;
+       TALLOC_CTX *tmp_ctx;
+       PyObject *py_lp_ctx;
+       struct loadparm_context *lp_ctx;
+       struct interface *ifaces;
+       int i;
+
+       if (!PyArg_ParseTuple(args, "O", &py_lp_ctx))
+               return NULL;
+
+       lp_ctx = lp_from_py_object(py_lp_ctx);
+       if (lp_ctx == NULL) {
+               PyErr_SetString(PyExc_TypeError, "Expected loadparm object");
+               return NULL;
+       }
+
+       tmp_ctx = talloc_new(NULL);
+
+       load_interfaces(tmp_ctx, lp_interfaces(lp_ctx), &ifaces);
+
+       count = iface_count(ifaces);
+
+       pylist = PyList_New(count);
+       for (i = 0; i<count; i++) {
+               PyList_SetItem(pylist, i,
+                              PyString_FromString(iface_n_ip(ifaces, i)));
+       }
+       talloc_free(tmp_ctx);
+       return pylist;
+}
+
+
 static PyMethodDef py_misc_methods[] = {
        { "generate_random_str", (PyCFunction)py_generate_random_str, METH_VARARGS,
                "random_password(len) -> string\n"
@@ -533,6 +574,8 @@ static PyMethodDef py_misc_methods[] = {
                "set debug level" },
        { "dsdb_load_partition_usn", (PyCFunction)py_dsdb_load_partition_usn, METH_VARARGS,
                "get uSNHighest and uSNUrgent from the partition @REPLCHANGED"},
+       { "interface_ips", (PyCFunction)py_interface_ips, METH_VARARGS,
+               "get interface IP address list"},
        { NULL }
 };