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/*
* Copyright (c) 2015 Balabit
* Copyright (c) 2015 Balazs Scheidler <balazs.scheidler@balabit.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "python-debugger.h"
#include "python-module.h"
#include "python-helpers.h"
#include "messages.h"
#include "debugger/debugger.h"
#include "logmsg/logmsg.h"
static void
_add_nv_keys_to_list(gpointer key, gpointer value, gpointer user_data)
{
PyObject *list = (PyObject *) user_data;
const gchar *name = (const gchar *) key;
PyObject *py_name = _py_string_from_string(name, -1);
PyList_Append(list, py_name);
Py_XDECREF(py_name);
}
static PyObject *
_py_get_nv_registry(PyObject *s, PyObject *args)
{
PyObject *list;
if (!PyArg_ParseTuple(args, ""))
return NULL;
list = PyList_New(0);
log_msg_registry_foreach(_add_nv_keys_to_list, list);
return list;
}
static PyMethodDef _syslogngdbg_functions[] =
{
{ "get_nv_registry", _py_get_nv_registry, METH_VARARGS, "Get the list of registered name-value pairs in syslog-ng" },
{ NULL, NULL, 0, NULL } /* sentinel*/
};
#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef syslogngdbgmodule =
{
.m_base = PyModuleDef_HEAD_INIT,
.m_name = "_syslogngdbg",
.m_size = -1,
.m_methods = _syslogngdbg_functions
};
static PyObject *
PyInit_syslogngdbg(void)
{
PyGILState_STATE gstate = PyGILState_Ensure();
PyObject *module = PyModule_Create(&syslogngdbgmodule);
PyGILState_Release(gstate);
return module;
}
#else
static void
PyInit_syslogngdbg(void)
{
PyGILState_STATE gstate = PyGILState_Ensure();
Py_InitModule("_syslogngdbg", _syslogngdbg_functions);
PyGILState_Release(gstate);
}
#endif
void
python_debugger_append_inittab(void)
{
PyImport_AppendInittab("_syslogngdbg", &PyInit_syslogngdbg);
}
#define DEBUGGER_FETCH_COMMAND "syslogng.debuggercli.fetch_command"
static gchar *
python_fetch_debugger_command(void)
{
PyObject *fetch_command;
PyObject *ret;
gchar *command = NULL;
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
fetch_command = _py_resolve_qualified_name(DEBUGGER_FETCH_COMMAND);
if (!fetch_command)
goto exit;
ret = PyObject_CallFunctionObjArgs(fetch_command, NULL);
if (!ret)
{
gchar buf[256];
msg_error("Error calling debugger fetch_command",
evt_tag_str("function", DEBUGGER_FETCH_COMMAND),
evt_tag_str("exception", _py_format_exception_text(buf, sizeof(buf))));
_py_finish_exception_handling();
goto exit;
}
if (!_py_is_string(ret))
{
msg_error("Return value from debugger fetch_command is not a string",
evt_tag_str("function", DEBUGGER_FETCH_COMMAND),
evt_tag_str("type", ret->ob_type->tp_name));
Py_DECREF(ret);
goto exit;
}
command = g_strdup(_py_get_string_as_string(ret));
Py_DECREF(ret);
exit:
PyGILState_Release(gstate);
if (!command)
return debugger_builtin_fetch_command();
return command;
}
void
python_debugger_init(void)
{
debugger_register_command_fetcher(python_fetch_debugger_command);
}
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