selinux/policycoreutils/sepolicy/policy.c

94 lines
2.7 KiB
C

/**
* @file
* Python bindings to search SELinux Policy rules.
*
* @author Dan Walsh <dwalsh@redhat.com>
*
* Copyright (C) 2012 Red Hat, INC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "Python.h"
#ifdef UNUSED
#elif defined(__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
#include "policy.h"
apol_policy_t *policy = NULL;
/* other */
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define COPYRIGHT_INFO "Copyright (C) 2003-2007 Tresys Technology, LLC"
PyObject *wrap_policy(PyObject *UNUSED(self), PyObject *args){
const char *policy_file;
apol_vector_t *mod_paths = NULL;
apol_policy_path_type_e path_type = APOL_POLICY_PATH_TYPE_MONOLITHIC;
apol_policy_path_t *pol_path = NULL;
if (!PyArg_ParseTuple(args, "z", &policy_file))
return NULL;
if (policy)
apol_policy_destroy(&policy);
int policy_load_options = 0;
pol_path = apol_policy_path_create(path_type, policy_file, mod_paths);
if (!pol_path) {
apol_vector_destroy(&mod_paths);
PyErr_SetString(PyExc_RuntimeError,strerror(ENOMEM));
return NULL;
}
apol_vector_destroy(&mod_paths);
policy = apol_policy_create_from_policy_path(pol_path, policy_load_options, NULL, NULL);
apol_policy_path_destroy(&pol_path);
if (!policy) {
PyErr_SetString(PyExc_RuntimeError,strerror(errno));
return NULL;
}
return Py_None;
}
static PyMethodDef methods[] = {
{"policy", (PyCFunction) wrap_policy, METH_VARARGS,
"Initialize SELinux policy for use with search and info"},
{"info", (PyCFunction) wrap_info, METH_VARARGS,
"Return SELinux policy info about types, attributes, roles, users"},
{"search", (PyCFunction) wrap_search, METH_VARARGS,
"Search SELinux Policy for allow, neverallow, auditallow, dontaudit and transition records"},
{NULL, NULL, 0, NULL} /* sentinel */
};
void init_policy(void) {
PyObject *m;
m = Py_InitModule("_policy", methods);
init_info(m);
}