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tag: Fix invalid D-Bus message for non-existing uids #35

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tag: Fix invalid D-Bus message for non-existing uids #35

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13 changes: 12 additions & 1 deletion src/tag.c
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Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,17 @@ static gboolean property_get_type(const GDBusPropertyTable *property,
return TRUE;
}

static gboolean property_uid_exists(const GDBusPropertyTable *property, void *user_data)
{
struct near_tag *tag = user_data;

uint8_t *uid;
uint8_t len;
len = uid_array(tag, &uid);

return uid && len;
}

static gboolean property_get_uid(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *user_data)
{
Expand Down Expand Up @@ -572,7 +583,7 @@ static const GDBusPropertyTable tag_properties[] = {
{ "Protocol", "s", property_get_protocol },
{ "ReadOnly", "b", property_get_readonly },
{ "Adapter", "o", property_get_adapter },
{ "Uid", "ay", property_get_uid },
{ "Uid", "ay", property_get_uid, NULL, property_uid_exists },

{ }
};
Expand Down