diff options
| author | Sergey Bugaev <bugaevc@gmail.com> | 2021-08-05 19:25:42 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-08-10 22:13:50 +0200 |
| commit | f589b48217e6593714e80e2a043fb8fd382acff8 (patch) | |
| tree | 05b4ebf167bcebf3657631883287cb620d304701 /libports | |
| parent | 9284ddfd23fe4c328e4ff4243780e2e9c691390b (diff) | |
libports: Only accept dead-name notifications on notify_port
Since this port is never given out to anyone but the kernel,
our clients can't spoof a dead-name notification this way.
Diffstat (limited to 'libports')
| -rw-r--r-- | libports/notify-dead-name.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libports/notify-dead-name.c b/libports/notify-dead-name.c index f974e331..8d79a631 100644 --- a/libports/notify-dead-name.c +++ b/libports/notify-dead-name.c @@ -25,12 +25,12 @@ error_t ports_do_mach_notify_dead_name (struct port_info *pi, mach_port_t dead_name) { - if (!pi) + if (!ports_port_is_notify (pi)) return EOPNOTSUPP; ports_dead_name (pi, dead_name); /* Drop gratuitous extra reference that the notification creates. */ mach_port_deallocate (mach_task_self (), dead_name); - + return 0; } |