Linux kernel commit da69a5306ab9 ("selinux: support distinctions among all
network address families") triggers a build error if a new address family
is added without defining a corresponding SELinux security class. As a
result, the smc_socket class was added to the kernel to resolve a build
failure as part of merge commit 3051bf36c25d that introduced AF_SMC circa
Linux 4.11. Define this security class and its access vector, note that it
is enabled as part of the extended_socket_class policy capability, and add
it to the socket_class_set macro.
Signed-off-by: Stephen Smalley <[email protected]>
---
policy/flask/access_vectors | 3 +++
policy/flask/security_classes | 1 +
policy/policy_capabilities | 1 +
policy/support/obj_perm_sets.spt | 2 +-
4 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/policy/flask/access_vectors b/policy/flask/access_vectors
index 69f69af..f895976 100644
--- a/policy/flask/access_vectors
+++ b/policy/flask/access_vectors
@@ -1058,3 +1058,6 @@ inherits socket
class qipcrtr_socket
inherits socket
+
+class smc_socket
+inherits socket
diff --git a/policy/flask/security_classes b/policy/flask/security_classes
index 18f18fd..18c4f97 100644
--- a/policy/flask/security_classes
+++ b/policy/flask/security_classes
@@ -182,5 +182,6 @@ class nfc_socket
class vsock_socket
class kcm_socket
class qipcrtr_socket
+class smc_socket
# FLASK
diff --git a/policy/policy_capabilities b/policy/policy_capabilities
index 39e3930..e0ff6e3 100644
--- a/policy/policy_capabilities
+++ b/policy/policy_capabilities
@@ -77,6 +77,7 @@ policycap open_perms;
# vsock_socket
# kcm_socket
# qipcrtr_socket
+# smc_socket
#
# Available in kernel 4.11+.
# Requires libsepol 2.7+ to build policy with this enabled.
diff --git a/policy/support/obj_perm_sets.spt b/policy/support/obj_perm_sets.spt
index 590ea63..872ca1d 100644
--- a/policy/support/obj_perm_sets.spt
+++ b/policy/support/obj_perm_sets.spt
@@ -34,7 +34,7 @@ define(`devfile_class_set', `{ blk_file chr_file }')
#
# All socket classes.
#
-define(`socket_class_set', `{ tcp_socket udp_socket rawip_socket netlink_socket packet_socket unix_stream_socket unix_dgram_socket appletalk_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket netlink_rdma_socket netlink_crypto_socket sctp_socket icmp_socket ax25_socket ipx_socket netrom_socket atmpvc_socket x25_socket rose_socket decnet_socket atmsvc_socket rds_socket irda_socket pppox_socket llc_socket can_socket tipc_socket bluetooth_socket iucv_socket rxrpc_socket isdn_socket phonet_socket ieee802154_socket caif_socket alg_socket nfc_socket vsock_socket kcm_socket qipcrtr_socket}')
+define(`socket_class_set', `{ tcp_socket udp_socket rawip_socket netlink_socket packet_socket unix_stream_socket unix_dgram_socket appletalk_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket netlink_rdma_socket netlink_crypto_socket sctp_socket icmp_socket ax25_socket ipx_socket netrom_socket atmpvc_socket x25_socket rose_socket decnet_socket atmsvc_socket rds_socket irda_socket pppox_socket llc_socket can_socket tipc_socket bluetooth_socket iucv_socket rxrpc_socket isdn_socket phonet_socket ieee802154_socket caif_socket alg_socket nfc_socket vsock_socket kcm_socket qipcrtr_socket smc_socket }')
#
# Datagram socket classes.
--
2.9.3
On 05/17/2017 11:31 AM, Stephen Smalley via refpolicy wrote:
> Linux kernel commit da69a5306ab9 ("selinux: support distinctions among all
> network address families") triggers a build error if a new address family
> is added without defining a corresponding SELinux security class. As a
> result, the smc_socket class was added to the kernel to resolve a build
> failure as part of merge commit 3051bf36c25d that introduced AF_SMC circa
> Linux 4.11. Define this security class and its access vector, note that it
> is enabled as part of the extended_socket_class policy capability, and add
> it to the socket_class_set macro.
>
> Signed-off-by: Stephen Smalley <[email protected]>
> ---
> policy/flask/access_vectors | 3 +++
> policy/flask/security_classes | 1 +
> policy/policy_capabilities | 1 +
> policy/support/obj_perm_sets.spt | 2 +-
> 4 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/policy/flask/access_vectors b/policy/flask/access_vectors
> index 69f69af..f895976 100644
> --- a/policy/flask/access_vectors
> +++ b/policy/flask/access_vectors
> @@ -1058,3 +1058,6 @@ inherits socket
>
> class qipcrtr_socket
> inherits socket
> +
> +class smc_socket
> +inherits socket
> diff --git a/policy/flask/security_classes b/policy/flask/security_classes
> index 18f18fd..18c4f97 100644
> --- a/policy/flask/security_classes
> +++ b/policy/flask/security_classes
> @@ -182,5 +182,6 @@ class nfc_socket
> class vsock_socket
> class kcm_socket
> class qipcrtr_socket
> +class smc_socket
>
> # FLASK
> diff --git a/policy/policy_capabilities b/policy/policy_capabilities
> index 39e3930..e0ff6e3 100644
> --- a/policy/policy_capabilities
> +++ b/policy/policy_capabilities
> @@ -77,6 +77,7 @@ policycap open_perms;
> # vsock_socket
> # kcm_socket
> # qipcrtr_socket
> +# smc_socket
> #
> # Available in kernel 4.11+.
> # Requires libsepol 2.7+ to build policy with this enabled.
> diff --git a/policy/support/obj_perm_sets.spt b/policy/support/obj_perm_sets.spt
> index 590ea63..872ca1d 100644
> --- a/policy/support/obj_perm_sets.spt
> +++ b/policy/support/obj_perm_sets.spt
> @@ -34,7 +34,7 @@ define(`devfile_class_set', `{ blk_file chr_file }')
> #
> # All socket classes.
> #
> -define(`socket_class_set', `{ tcp_socket udp_socket rawip_socket netlink_socket packet_socket unix_stream_socket unix_dgram_socket appletalk_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket netlink_rdma_socket netlink_crypto_socket sctp_socket icmp_socket ax25_socket ipx_socket netrom_socket atmpvc_socket x25_socket rose_socket decnet_socket atmsvc_socket rds_socket irda_socket pppox_socket llc_socket can_socket tipc_socket bluetooth_socket iucv_socket rxrpc_socket isdn_socket phonet_socket ieee802154_socket caif_socket alg_socket nfc_socket vsock_socket kcm_socket qipcrtr_socket}')
> +define(`socket_class_set', `{ tcp_socket udp_socket rawip_socket netlink_socket packet_socket unix_stream_socket unix_dgram_socket appletalk_socket netlink_route_socket netlink_firewall_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket netlink_rdma_socket netlink_crypto_socket sctp_socket icmp_socket ax25_socket ipx_socket netrom_socket atmpvc_socket x25_socket rose_socket decnet_socket atmsvc_socket rds_socket irda_socket pppox_socket llc_socket can_socket tipc_socket bluetooth_socket iucv_socket rxrpc_socket isdn_socket phonet_socket ieee802154_socket caif_socket alg_socket nfc_socket vsock_socket kcm_socket qipcrtr_socket smc_socket }')
>
> #
> # Datagram socket classes.
>
Merged.
--
Chris PeBenito