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Fix memory leaks

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The returned string of the dbus_message_iter_get_signature() must be
freed with dbus_free().
This commit is contained in:
Jungsup Lee 2018-03-23 17:26:36 +09:00 • committed by Tanu Kaskinen
parent 8b9a8b2618
commit 605b2bbc41
3 changed files with 18 additions and 4 deletions
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7
src/pulsecore/dbus-util.c
View file

@ -735,6 +735,7 @@ void pa_dbus_append_proplist_variant_dict_entry(DBusMessageIter *dict_iter, cons
pa_proplist *pa_dbus_get_proplist_arg(DBusConnection *c, DBusMessage *msg, DBusMessageIter *iter) {
DBusMessageIter dict_iter;
DBusMessageIter dict_entry_iter;
char *signature;
pa_proplist *proplist = NULL;
const char *key = NULL;
const uint8_t *value = NULL;
@ -743,7 +744,11 @@ pa_proplist *pa_dbus_get_proplist_arg(DBusConnection *c, DBusMessage *msg, DBusM
pa_assert(c);
pa_assert(msg);
pa_assert(iter);
pa_assert(pa_streq(dbus_message_iter_get_signature(iter), "a{say}"));
pa_assert(signature = dbus_message_iter_get_signature(iter));
pa_assert_se(pa_streq(signature, "a{say}"));
dbus_free(signature);
proplist = pa_proplist_new();

8
src/pulsecore/protocol-dbus.c
View file

@ -313,7 +313,7 @@ struct call_info {
const char *property_interface; /* The interface argument of a property call is stored here. */
pa_dbus_property_handler *property_handler;
const char *expected_property_sig; /* Property signature from the introspection data. */
const char *property_sig; /* The signature of the new value in the received .Set message. */
char *property_sig; /* The signature of the new value in the received .Set message. */
DBusMessageIter variant_iter; /* Iterator pointing to the beginning of the new value variant of a .Set call. */
const char *method; /* Method name (extracted from the message). */
@ -431,7 +431,7 @@ static enum find_result_t find_handler_from_properties_call(struct call_info *ca
dbus_message_iter_recurse(&msg_iter, &call_info->variant_iter);
call_info->property_sig = dbus_message_iter_get_signature(&call_info->variant_iter);
pa_assert_se(call_info->property_sig = dbus_message_iter_get_signature(&call_info->variant_iter));
if (*call_info->property_interface) {
if (!(call_info->iface_entry = pa_hashmap_get(call_info->obj_entry->interfaces, call_info->property_interface)))
@ -494,6 +494,7 @@ static enum find_result_t find_handler(struct call_info *call_info) {
static DBusHandlerResult handle_message_cb(DBusConnection *connection, DBusMessage *message, void *user_data) {
pa_dbus_protocol *p = user_data;
struct call_info call_info;
call_info.property_sig = NULL;
pa_assert(connection);
pa_assert(message);
@ -588,6 +589,9 @@ static DBusHandlerResult handle_message_cb(DBusConnection *connection, DBusMessa
}
finish:
if (call_info.property_sig)
dbus_free(call_info.property_sig);
return DBUS_HANDLER_RESULT_HANDLED;
}