diff options
Diffstat (limited to 'bus/policy.c')
| -rw-r--r-- | bus/policy.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/bus/policy.c b/bus/policy.c index 71137ca9..63131aca 100644 --- a/bus/policy.c +++ b/bus/policy.c @@ -56,6 +56,10 @@ bus_policy_rule_new (BusPolicyRuleType type, break; case BUS_POLICY_RULE_RECEIVE: rule->d.receive.message_type = DBUS_MESSAGE_TYPE_INVALID; + /* allow rules default to TRUE (only requested replies allowed) + * deny rules default to FALSE (only unrequested replies denied) + */ + rule->d.receive.requested_reply = rule->allow; break; case BUS_POLICY_RULE_OWN: break; @@ -919,6 +923,7 @@ bus_client_policy_check_can_send (BusClientPolicy *policy, dbus_bool_t bus_client_policy_check_can_receive (BusClientPolicy *policy, BusRegistry *registry, + dbus_bool_t requested_reply, DBusConnection *sender, DBusConnection *addressed_recipient, DBusConnection *proposed_recipient, @@ -978,6 +983,30 @@ bus_client_policy_check_can_receive (BusClientPolicy *policy, _dbus_verbose (" (policy) skipping deny rule since it only applies to eavesdropping\n"); continue; } + + /* If it's a reply, the requested_reply flag kicks in */ + if (dbus_message_get_reply_serial (message) != 0) + { + /* for allow, requested_reply=true means the rule applies + * only when reply was requested. requested_reply=false means + * always allow. + */ + if (!requested_reply && rule->allow && rule->d.receive.requested_reply) + { + _dbus_verbose (" (policy) skipping allow rule since it only applies to requested replies\n"); + continue; + } + + /* for deny, requested_reply=false means the rule applies only + * when the reply was not requested. requested_reply=true means the + * rule always applies. + */ + if (requested_reply && !rule->allow && !rule->d.receive.requested_reply) + { + _dbus_verbose (" (policy) skipping deny rule since it only applies to unrequested replies\n"); + continue; + } + } if (rule->d.receive.path != NULL) { |