diff options
| author | Daniel Jurgens <danielj@mellanox.com> | 2017-05-19 15:48:57 +0300 |
|---|---|---|
| committer | Paul Moore <paul@paul-moore.com> | 2017-05-23 12:27:50 -0400 |
| commit | cfc4d882d41780d93471066d57d4630995427b29 (patch) | |
| tree | 5dc7f313dc5caec1492c812529d83b8ae3e37dc5 /security/selinux/hooks.c | |
| parent | 3a976fa6767f3edebbf43839b686efaf71b8dee1 (diff) | |
| download | op-kernel-dev-cfc4d882d41780d93471066d57d4630995427b29.zip op-kernel-dev-cfc4d882d41780d93471066d57d4630995427b29.tar.gz | |
selinux: Implement Infiniband PKey "Access" access vector
Add a type and access vector for PKeys. Implement the ib_pkey_access
hook to check that the caller has permission to access the PKey on the
given subnet prefix. Add an interface to get the PKey SID. Walk the PKey
ocontexts to find an entry for the given subnet prefix and pkey.
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 062b459..b59255f 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -6148,6 +6148,27 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer) #endif #ifdef CONFIG_SECURITY_INFINIBAND +static int selinux_ib_pkey_access(void *ib_sec, u64 subnet_prefix, u16 pkey_val) +{ + struct common_audit_data ad; + int err; + u32 sid = 0; + struct ib_security_struct *sec = ib_sec; + struct lsm_ibpkey_audit ibpkey; + + err = security_ib_pkey_sid(subnet_prefix, pkey_val, &sid); + if (err) + return err; + + ad.type = LSM_AUDIT_DATA_IBPKEY; + ibpkey.subnet_prefix = subnet_prefix; + ibpkey.pkey = pkey_val; + ad.u.ibpkey = &ibpkey; + return avc_has_perm(sec->sid, sid, + SECCLASS_INFINIBAND_PKEY, + INFINIBAND_PKEY__ACCESS, &ad); +} + static int selinux_ib_alloc_security(void **ib_sec) { struct ib_security_struct *sec; @@ -6352,6 +6373,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(tun_dev_attach, selinux_tun_dev_attach), LSM_HOOK_INIT(tun_dev_open, selinux_tun_dev_open), #ifdef CONFIG_SECURITY_INFINIBAND + LSM_HOOK_INIT(ib_pkey_access, selinux_ib_pkey_access), LSM_HOOK_INIT(ib_alloc_security, selinux_ib_alloc_security), LSM_HOOK_INIT(ib_free_security, selinux_ib_free_security), #endif |
