/**
* Gets statistics regarding a policy's attributes.
* If this function is given a name, it will attempt to
* get statistics about a particular attribute; otherwise
* the function gets statistics about all of the policy's
* attributes.
*
* @param name Reference to an attribute's name; if NULL,
* all object classes will be considered
* @param policydb Reference to a policy
*
* @return 0 on success, < 0 on error.
*/
static PyObject* get_attribs(const char *name, const apol_policy_t * policydb)
{
PyObject *obj;
apol_attr_query_t *attr_query = NULL;
apol_vector_t *v = NULL;
const qpol_type_t *type_datum = NULL;
size_t n_attrs, i;
int error = 0;
int rt = 0;
PyObject *list = PyList_New(0);
if (!list) goto err;
/* we are only getting information about 1 attribute */
if (name != NULL) {
attr_query = apol_attr_query_create();
if (!attr_query)
goto err;
if (apol_attr_query_set_attr(policydb, attr_query, name))
goto err;
if (apol_attr_get_by_query(policydb, attr_query, &v))
goto err;
apol_attr_query_destroy(&attr_query);
if (apol_vector_get_size(v) == 0) {
apol_vector_destroy(&v);
errno = EINVAL;
goto err;
}
type_datum = apol_vector_get_element(v, (size_t) 0);
obj = get_attr(type_datum, policydb);
rt = py_append_obj(list, obj);
Py_DECREF(obj);
if (rt) goto err;
} else {
attr_query = apol_attr_query_create();
if (!attr_query)
goto err;
if (apol_attr_get_by_query(policydb, attr_query, &v))
goto err;
apol_attr_query_destroy(&attr_query);
n_attrs = apol_vector_get_size(v);
for (i = 0; i < n_attrs; i++) {
/* get qpol_type_t* item from vector */
type_datum = (qpol_type_t *) apol_vector_get_element(v, (size_t) i);
if (!type_datum)
goto err;
obj = get_attr(type_datum, policydb);
rt = py_append_obj(list, obj);
Py_DECREF(obj);
if (rt) goto err;
}
}
apol_vector_destroy(&v);
goto cleanup;
err:
error = errno;
PyErr_SetString(PyExc_RuntimeError,strerror(errno));
py_decref(list); list = NULL;
cleanup:
apol_attr_query_destroy(&attr_query);
apol_vector_destroy(&v);
errno = error;
return list;
}
return -1;
}
fn_struct->fn = find_domains_get_list;
apol_vector_append(mod->functions, fn_struct);
return 0;
}
int find_domains_init(sechk_module_t * mod, apol_policy_t * policy, void *arg __attribute__ ((unused)))
{
sechk_name_value_t *opt = NULL;
find_domains_data_t *datum = NULL;
size_t i, j;
qpol_type_t *attr = NULL;
apol_vector_t *attr_vector = NULL;
apol_attr_query_t *attr_query = apol_attr_query_create();
qpol_policy_t *q = apol_policy_get_qpol(policy);
if (!mod || !policy) {
ERR(policy, "%s", "Invalid parameters");
errno = EINVAL;
return -1;
}
if (strcmp(mod_name, mod->name)) {
ERR(policy, "Wrong module (%s)", mod->name);
errno = EINVAL;
return -1;
}
datum = find_domains_data_new();
if (!datum) {
