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|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2013 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#define PY_SSIZE_T_CLEAN
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#include <Python.h>
#pragma GCC diagnostic pop
#include "systemd/sd-login.h"
#include "pyutil.h"
#include "util.h"
#include "strv.h"
PyDoc_STRVAR(module__doc__,
"Python interface to the libsystemd-login library."
);
#define helper(name) \
static PyObject* name(PyObject *self, PyObject *args) { \
_cleanup_strv_free_ char **list = NULL; \
int r; \
PyObject *ans; \
\
assert(args == NULL); \
\
r = sd_get_##name(&list); \
if (r < 0) { \
errno = -r; \
return PyErr_SetFromErrno(PyExc_IOError); \
} \
\
ans = PyList_New(r); \
if (!ans) \
return NULL; \
\
for (r--; r >= 0; r--) { \
PyObject *s = unicode_FromString(list[r]); \
if (!s) { \
Py_DECREF(ans); \
return NULL; \
} \
\
PyList_SetItem(ans, r, s); \
} \
\
return ans; \
}
helper(seats)
helper(sessions)
helper(machine_names)
#undef helper
static PyObject* uids(PyObject *self, PyObject *args) {
_cleanup_free_ uid_t *list = NULL;
int r;
PyObject *ans;
assert(args == NULL);
r = sd_get_uids(&list);
if (r < 0) {
errno = -r;
return PyErr_SetFromErrno(PyExc_IOError);
}
ans = PyList_New(r);
if (!ans)
return NULL;
for (r--; r >= 0; r--) {
PyObject *s = long_FromLong(list[r]);
if (!s) {
Py_DECREF(ans);
return NULL;
}
PyList_SetItem(ans, r, s);
}
return ans;
}
PyDoc_STRVAR(seats__doc__,
"seats() -> list\n\n"
"Returns a list of currently available local seats.\n"
"Wraps sd_get_seats(3)."
);
PyDoc_STRVAR(sessions__doc__,
"sessions() -> list\n\n"
"Returns a list of current login sessions.\n"
"Wraps sd_get_sessions(3)."
);
PyDoc_STRVAR(machine_names__doc__,
"machine_names() -> list\n\n"
"Returns a list of currently running virtual machines\n"
"and containers on the system.\n"
"Wraps sd_get_machine_names(3)."
);
PyDoc_STRVAR(uids__doc__,
"uids() -> list\n\n"
"Returns a list of uids of users who currently have login sessions.\n"
"Wraps sd_get_uids(3)."
);
static PyMethodDef methods[] = {
{ "seats", seats, METH_NOARGS, seats__doc__},
{ "sessions", sessions, METH_NOARGS, sessions__doc__},
{ "machine_names", machine_names, METH_NOARGS, machine_names__doc__},
{ "uids", uids, METH_NOARGS, uids__doc__},
{} /* Sentinel */
};
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
#if PY_MAJOR_VERSION < 3
PyMODINIT_FUNC initlogin(void) {
PyObject *m;
m = Py_InitModule3("login", methods, module__doc__);
if (m == NULL)
return;
PyModule_AddStringConstant(m, "__version__", PACKAGE_VERSION);
}
#else
static struct PyModuleDef module = {
PyModuleDef_HEAD_INIT,
"login", /* name of module */
module__doc__, /* module documentation, may be NULL */
-1, /* size of per-interpreter state of the module */
methods
};
PyMODINIT_FUNC PyInit_login(void) {
PyObject *m;
m = PyModule_Create(&module);
if (m == NULL)
return NULL;
if (PyModule_AddStringConstant(m, "__version__", PACKAGE_VERSION)) {
Py_DECREF(m);
return NULL;
}
return m;
}
#endif
#pragma GCC diagnostic pop
|
