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| author | Mark Johnston <markj@FreeBSD.org> | 2019-01-08 17:21:59 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2019-01-08 17:21:59 +0000 |
| commit | bb376a990cfbc7ebece8faa245e2530fce163c33 (patch) | |
| tree | 29844351e85851dd53180265ec7783a0f2173825 | |
| parent | 9cf6837897f545b3e59c39fe78a29340b6845886 (diff) | |
| download | src-bb376a990cfbc7ebece8faa245e2530fce163c33.tar.gz src-bb376a990cfbc7ebece8faa245e2530fce163c33.zip | |
Specify the correct option level when emulating SO_PEERCRED.
Our equivalent to SO_PEERCRED, LOCAL_PEERCRED, is implemented at
socket option level 0, not SOL_SOCKET.
PR: 234722
Submitted by: Dániel Bakai <bakaidl@gmail.com>
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=342864
| -rw-r--r-- | sys/compat/linux/linux_socket.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index 2979b257bd94..9456e2489427 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -1633,6 +1633,11 @@ linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args) case LOCAL_PEERCRED: if (args->optlen < sizeof(lxu)) return (EINVAL); + /* + * LOCAL_PEERCRED is not served at the SOL_SOCKET level, + * but by the Unix socket's level 0. + */ + bsd_args.level = 0; xulen = sizeof(xu); error = kern_getsockopt(td, args->s, bsd_args.level, name, &xu, UIO_SYSSPACE, &xulen); |