diff options
| author | Lennart Poettering <lennart@poettering.net> | 2013-12-21 03:52:39 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2013-12-21 03:52:39 +0100 |
| commit | 3547329642fef7468548320131ab992517957e81 (patch) | |
| tree | 73b2b7885e865ad935c7f6b6dcf042c59c2c3cb2 | |
| parent | bd746b8b0ce91be3f28532d319ffa577590f52d8 (diff) | |
bus: refuse messages pretending to originate from local interface
| -rw-r--r-- | src/libsystemd-bus/bus-message.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c index d6888738e1..b0f4b16d41 100644 --- a/src/libsystemd-bus/bus-message.c +++ b/src/libsystemd-bus/bus-message.c @@ -5133,6 +5133,14 @@ int bus_message_parse_fields(sd_bus_message *m) { break; } + /* Refuse non-local messages that claim they are local */ + if (streq_ptr(m->path, "/org/freedesktop/DBus/Local")) + return -EBADMSG; + if (streq_ptr(m->interface, "org.freedesktop.DBus.Local")) + return -EBADMSG; + if (streq_ptr(m->sender, "org.freedesktop.DBus.Local")) + return -EBADMSG; + m->root_container.end = BUS_MESSAGE_BODY_SIZE(m); if (BUS_MESSAGE_IS_GVARIANT(m)) { |