diff options
| -rw-r--r-- | src/bus-proxyd/proxy.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/src/bus-proxyd/proxy.c b/src/bus-proxyd/proxy.c index 28ab1c97fc..1dc55171e7 100644 --- a/src/bus-proxyd/proxy.c +++ b/src/bus-proxyd/proxy.c @@ -494,7 +494,16 @@ static int process_policy_unlocked(sd_bus *from, sd_bus *to, sd_bus_message *m, } /* First check if we (the sender) can send to this name */ - if (policy_check_send(policy, our_ucred->uid, our_ucred->gid, m->header->type, NULL, destination_names, m->path, m->interface, m->member, true, &n)) { + if (sd_bus_message_is_signal(m, NULL, NULL)) { + /* If we forward a signal from dbus-1 to kdbus, we have + * no idea who the recipient is. Therefore, we cannot + * apply any dbus-1 policies that match on receiver + * credentials. We know sd-bus always sets + * KDBUS_MSG_SIGNAL, so the kernel applies policies to + * the message. Therefore, skip policy checks in this + * case. */ + return 0; + } else if (policy_check_send(policy, our_ucred->uid, our_ucred->gid, m->header->type, NULL, destination_names, m->path, m->interface, m->member, true, &n)) { if (n) { /* If we made a receiver decision, then remember which * name's policy we used, and to which unique ID it @@ -512,19 +521,8 @@ static int process_policy_unlocked(sd_bus *from, sd_bus *to, sd_bus_message *m, return r; } - if (sd_bus_message_is_signal(m, NULL, NULL)) { - /* If we forward a signal from dbus-1 to kdbus, - * we have no idea who the recipient is. - * Therefore, we cannot apply any dbus-1 - * receiver policies that match on receiver - * credentials. We know sd-bus always sets - * KDBUS_MSG_SIGNAL, so the kernel applies - * receiver policies to the message. Therefore, - * skip policy checks in this case. */ - return 0; - } else if (policy_check_recv(policy, destination_uid, destination_gid, m->header->type, owned_names, NULL, m->path, m->interface, m->member, true)) { + if (policy_check_recv(policy, destination_uid, destination_gid, m->header->type, owned_names, NULL, m->path, m->interface, m->member, true)) return 0; - } } /* Return an error back to the caller */ |