diff options
| author | David Herrmann <dh.herrmann@gmail.com> | 2018-05-04 16:28:21 +0200 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2018-05-04 21:48:54 +0200 |
| commit | 0b811db2cb2aabc910e53d34ebb95a15997c33e7 (patch) | |
| tree | 4f4d96751c0c98a8f81a79526585c73cf4df51e8 /security/selinux | |
| parent | net: hook socketpair() into LSM (diff) | |
| download | linux-0b811db2cb2aabc910e53d34ebb95a15997c33e7.tar.xz linux-0b811db2cb2aabc910e53d34ebb95a15997c33e7.zip | |
selinux: provide socketpair callback
Make sure to implement the new socketpair callback so the SO_PEERSEC
call on socketpair(2)s will return correct information.
Acked-by: Serge Hallyn <serge@hallyn.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Tom Gundersen <teg@jklm.no>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'security/selinux')
| -rw-r--r-- | security/selinux/hooks.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 4cafe6a19167..02ebd1585eaf 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4569,6 +4569,18 @@ static int selinux_socket_post_create(struct socket *sock, int family, return err; } +static int selinux_socket_socketpair(struct socket *socka, + struct socket *sockb) +{ + struct sk_security_struct *sksec_a = socka->sk->sk_security; + struct sk_security_struct *sksec_b = sockb->sk->sk_security; + + sksec_a->peer_sid = sksec_b->sid; + sksec_b->peer_sid = sksec_a->sid; + + return 0; +} + /* Range of port numbers used to automatically bind. Need to determine whether we should perform a name_bind permission check between the socket and the port number. */ @@ -6999,6 +7011,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(socket_create, selinux_socket_create), LSM_HOOK_INIT(socket_post_create, selinux_socket_post_create), + LSM_HOOK_INIT(socket_socketpair, selinux_socket_socketpair), LSM_HOOK_INIT(socket_bind, selinux_socket_bind), LSM_HOOK_INIT(socket_connect, selinux_socket_connect), LSM_HOOK_INIT(socket_listen, selinux_socket_listen), |