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Return the type aliases.

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We wanted this information in sepolicy.
This commit is contained in:
Dan Walsh 2013-10-11 10:03:24 -04:00 committed by Stephen Smalley
parent 85d76c1671
commit cc3df76279
1 changed files with 57 additions and 0 deletions
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57
policycoreutils/sepolicy/info.c
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@ -77,6 +77,58 @@ static int py_insert_bool(PyObject *dict, const char *name, int value)
return rt;
}
/**
* Get the alias of a type.
*
* @param fp Reference to a file to which to get type information
* @param type_datum Reference to sepol type_datum
* @param policydb Reference to a policy
* attributes
*/
static PyObject* get_type_aliases(const qpol_type_t * type_datum, const apol_policy_t * policydb)
{
qpol_iterator_t *iter = NULL;
size_t alias_size;
unsigned char isattr, isalias;
const char *type_name = NULL;
const char *alias_name;
int error = 0;
qpol_policy_t *q = apol_policy_get_qpol(policydb);
PyObject *list = PyList_New(0);
if (!list) goto err;
if (qpol_type_get_name(q, type_datum, &type_name))
goto cleanup;
if (qpol_type_get_isattr(q, type_datum, &isattr))
goto cleanup;
if (qpol_type_get_isalias(q, type_datum, &isalias))
goto cleanup;
if (qpol_type_get_alias_iter(q, type_datum, &iter))
goto cleanup;
if (qpol_iterator_get_size(iter, &alias_size))
goto cleanup;
if (alias_size > 0) {
for (; !qpol_iterator_end(iter); qpol_iterator_next(iter)) {
if (qpol_iterator_get_item(iter, (void **)&alias_name))
goto err;
if (py_append_string(list, alias_name))
goto err;
}
}
goto cleanup;
err:
error = errno;
PyErr_SetString(PyExc_RuntimeError,strerror(errno));
py_decref(list); list = NULL;
cleanup:
qpol_iterator_destroy(&iter);
errno = error;
return list;
}
/**
* Gets a textual representation of an attribute, and
* all of that attribute's types.
@ -295,6 +347,11 @@ static PyObject* get_type( const qpol_type_t * type_datum, const apol_policy_t *
Py_DECREF(obj);
if (rt) goto err;
}
obj = get_type_aliases(type_datum, policydb);
rt = py_insert_obj(dict, "aliases", obj);
Py_DECREF(obj);
if (rt) goto err;
goto cleanup;
err: