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authorJakub Hrozek <jhrozek@redhat.com>2011-07-12 17:27:33 +0200
committerStephen Gallagher <sgallagh@redhat.com>2011-07-13 11:00:47 -0400
commit22d268c88f6d324b3a66846af007b06488eddae7 (patch)
treef1a30480e9b57aa9ad6b2cbce8b5eeaa265e559c /src/python
parent55a89b86267239fc4a8bd62a2496ddbc36d9a024 (diff)
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Fixes for python HBAC bindings
These changes were proposed during a review: * Change the signature of str_concat_sequence() to const char * * use a getsetter for HbacRule.enabled to allow string true/false and integer 1/0 in addition to bool * fix a minor memory leak (HbacRequest.rule_name) * remove overzealous discard consts
Diffstat (limited to 'src/python')
-rw-r--r--src/python/pyhbac.c94
1 files changed, 82 insertions, 12 deletions
diff --git a/src/python/pyhbac.c b/src/python/pyhbac.c
index 38d5e7ea..85d2f3fd 100644
--- a/src/python/pyhbac.c
+++ b/src/python/pyhbac.c
@@ -70,7 +70,7 @@ py_strdup(const char *string)
}
static char *
-py_strcat_realloc(char *first, char *second)
+py_strcat_realloc(char *first, const char *second)
{
char *new_first;
new_first = PyMem_Realloc(first, strlen(first) + strlen(second) + 1);
@@ -229,7 +229,7 @@ native_category(PyObject *pycat)
}
static char *
-str_concat_sequence(PyObject *seq, char *delim)
+str_concat_sequence(PyObject *seq, const char *delim)
{
Py_ssize_t size;
Py_ssize_t i;
@@ -284,7 +284,7 @@ static void
set_hbac_exception(PyObject *exc, struct hbac_info *error)
{
PyErr_SetObject(exc,
- Py_BuildValue(discard_const_p(char, "(i,s)"),
+ Py_BuildValue("(i,s)",
error->code,
error->rule_name ? \
error->rule_name : "no rule"));
@@ -367,7 +367,7 @@ HbacRuleElement_init(HbacRuleElement *self, PyObject *args, PyObject *kwargs)
PyObject *tmp = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
- discard_const_p(char, "|OOO"),
+ "|OOO",
discard_const_p(char *, kwlist),
&names, &groups, &category)) {
return -1;
@@ -711,7 +711,7 @@ HbacRule_init(HbacRuleObject *self, PyObject *args, PyObject *kwargs)
PyObject *empty_tuple = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
- discard_const_p(char, "O|i"),
+ "O|i",
discard_const_p(char *, kwlist),
&name, &self->enabled)) {
return -1;
@@ -739,6 +739,73 @@ HbacRule_init(HbacRuleObject *self, PyObject *args, PyObject *kwargs)
}
static int
+hbac_rule_set_enabled(HbacRuleObject *self, PyObject *enabled, void *closure)
+{
+ CHECK_ATTRIBUTE_DELETE(enabled, "enabled");
+
+ if (PyString_Check(enabled) || PyUnicode_Check(enabled)) {
+ PyObject *utf8_str;
+ char *str;
+
+ utf8_str = get_utf8_string(enabled, "enabled");
+ if (!utf8_str) return -1;
+ str = PyString_AsString(utf8_str);
+ if (!str) {
+ Py_DECREF(utf8_str);
+ return -1;
+ }
+
+ if (strcasecmp(str, "true") == 0) {
+ self->enabled = true;
+ } else if (strcasecmp(str, "false") == 0) {
+ self->enabled = false;
+ } else {
+ PyErr_Format(PyExc_ValueError,
+ "enabled only accepts 'true' of 'false' "
+ "string literals");
+ Py_DECREF(utf8_str);
+ return -1;
+ }
+
+ Py_DECREF(utf8_str);
+ return 0;
+ } else if (PyBool_Check(enabled)) {
+ self->enabled = (enabled == Py_True);
+ return 0;
+ } else if (PyInt_Check(enabled)) {
+ switch(PyInt_AsLong(enabled)) {
+ case 0:
+ self->enabled = false;
+ break;
+ case 1:
+ self->enabled = true;
+ break;
+ default:
+ PyErr_Format(PyExc_ValueError,
+ "enabled only accepts '0' of '1' "
+ "integer constants");
+ return -1;
+ }
+ return 0;
+ }
+
+ PyErr_Format(PyExc_TypeError, "enabled must be a boolean, an integer "
+ "1 or 0 or a string constant true/false");
+ return -1;
+
+}
+
+static PyObject *
+hbac_rule_get_enabled(HbacRuleObject *self, void *closure)
+{
+ if (self->enabled) {
+ Py_RETURN_TRUE;
+ }
+
+ Py_RETURN_FALSE;
+}
+
+static int
hbac_rule_set_name(HbacRuleObject *self, PyObject *name, void *closure)
{
CHECK_ATTRIBUTE_DELETE(name, "name");
@@ -811,8 +878,6 @@ HbacRule_repr(HbacRuleObject *self)
return o;
}
-PyDoc_STRVAR(HbacRuleObject_enabled__doc__,
-"(bool) Is the rule enabled");
PyDoc_STRVAR(HbacRuleObject_users__doc__,
"(HbacRuleElement) Users and user groups for which this rule applies");
PyDoc_STRVAR(HbacRuleObject_services__doc__,
@@ -823,10 +888,6 @@ PyDoc_STRVAR(HbacRuleObject_srchosts__doc__,
"(HbacRuleElement) Source hosts for which this rule applies");
static PyMemberDef py_hbac_rule_members[] = {
- { discard_const_p(char, "enabled"), T_BOOL,
- offsetof(HbacRuleObject, enabled), 0,
- HbacRuleObject_enabled__doc__ },
-
{ discard_const_p(char, "users"), T_OBJECT_EX,
offsetof(HbacRuleObject, users), 0,
HbacRuleObject_users__doc__ },
@@ -846,10 +907,18 @@ static PyMemberDef py_hbac_rule_members[] = {
{ NULL, 0, 0, 0, NULL } /* Sentinel */
};
+PyDoc_STRVAR(HbacRuleObject_enabled__doc__,
+"(bool) Is the rule enabled");
PyDoc_STRVAR(HbacRuleObject_name__doc__,
"(string) The name of the rule");
static PyGetSetDef py_hbac_rule_getset[] = {
+ { discard_const_p(char, "enabled"),
+ (getter) hbac_rule_get_enabled,
+ (setter) hbac_rule_set_enabled,
+ HbacRuleObject_enabled__doc__,
+ NULL },
+
{ discard_const_p(char, "name"),
(getter) hbac_rule_get_name,
(setter) hbac_rule_set_name,
@@ -1023,7 +1092,7 @@ HbacRequestElement_init(HbacRequestElement *self,
PyObject *groups = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,
- discard_const_p(char, "|OO"),
+ "|OO",
discard_const_p(char *, kwlist),
&name, &groups)) {
return -1;
@@ -1272,6 +1341,7 @@ HbacRequest_clear(HbacRequest *self)
Py_CLEAR(self->user);
Py_CLEAR(self->targethost);
Py_CLEAR(self->srchost);
+ Py_CLEAR(self->rule_name);
return 0;
}