diff options
Diffstat (limited to 'sys/security')
| -rw-r--r-- | sys/security/mac_mls/mac_mls.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/security/mac_mls/mac_mls.c b/sys/security/mac_mls/mac_mls.c index c9d8927..ed7ac61 100644 --- a/sys/security/mac_mls/mac_mls.c +++ b/sys/security/mac_mls/mac_mls.c @@ -1761,6 +1761,25 @@ mac_mls_check_socket_visible(struct ucred *cred, struct socket *socket, } static int +mac_mls_check_system_swapon(struct ucred *cred, struct vnode *vp, + struct label *label) +{ + struct mac_mls *subj, *obj; + + if (!mac_mls_enabled) + return (0); + + subj = SLOT(&cred->cr_label); + obj = SLOT(label); + + if (!mac_mls_dominate_single(obj, subj) || + !mac_mls_dominate_single(subj, obj)) + return (EACCES); + + return (0); +} + +static int mac_mls_check_vnode_chdir(struct ucred *cred, struct vnode *dvp, struct label *dlabel) { @@ -2454,6 +2473,7 @@ static struct mac_policy_ops mac_mls_ops = .mpo_check_socket_deliver = mac_mls_check_socket_deliver, .mpo_check_socket_relabel = mac_mls_check_socket_relabel, .mpo_check_socket_visible = mac_mls_check_socket_visible, + .mpo_check_system_swapon = mac_mls_check_system_swapon, .mpo_check_vnode_access = mac_mls_check_vnode_open, .mpo_check_vnode_chdir = mac_mls_check_vnode_chdir, .mpo_check_vnode_chroot = mac_mls_check_vnode_chroot, |
