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| author | Michal Schmidt <mschmidt@redhat.com> | 2011-05-25 16:17:17 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2011-05-25 18:07:31 +0200 |
| commit | cda2b84a69905aafe2f8c6bd3f1c9eefe92b6bbb (patch) | |
| tree | bb60dc6e46b7784a713d9b5c6d27b59af296ee1e /src/dbus-common.c | |
| parent | d636fa3d67a76e512c5a3b2028e2c62ec5bbc50c (diff) | |
| download | systemd-cda2b84a69905aafe2f8c6bd3f1c9eefe92b6bbb.tar.gz | |
dbus-common: fix segfault when a DBus message has no interface
dbus_message_get_interface() may return NULL.
https://bugzilla.redhat.com/show_bug.cgi?id=707483
Diffstat (limited to 'src/dbus-common.c')
| -rw-r--r-- | src/dbus-common.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/dbus-common.c b/src/dbus-common.c index 9bf0dabe4c..5db077b74f 100644 --- a/src/dbus-common.c +++ b/src/dbus-common.c @@ -418,9 +418,13 @@ DBusHandlerResult bus_default_message_handler( return bus_send_error_reply(c, message, &error, -EINVAL); } - } else if (!nulstr_contains(interfaces, dbus_message_get_interface(message))) { - dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface"); - return bus_send_error_reply(c, message, &error, -EINVAL); + } else { + const char *interface = dbus_message_get_interface(message); + + if (!interface || !nulstr_contains(interfaces, interface)) { + dbus_set_error_const(&error, DBUS_ERROR_UNKNOWN_INTERFACE, "Unknown interface"); + return bus_send_error_reply(c, message, &error, -EINVAL); + } } if (reply) { |