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selinux: update netlink socket classes

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Update the set of SELinux netlink socket class definitions to match
the set of netlink protocols implemented by the kernel.  The
ip_queue implementation for the NETLINK_FIREWALL and NETLINK_IP6_FW protocols
was removed in d16cf20e2f, so we can remove
the corresponding class definitions as this is dead code.  Add new
classes for NETLINK_ISCSI, NETLINK_FIB_LOOKUP, NETLINK_CONNECTOR,
NETLINK_NETFILTER, NETLINK_GENERIC, NETLINK_SCSITRANSPORT, NETLINK_RDMA,
and NETLINK_CRYPTO so that we can distinguish among sockets created
for each of these protocols.  This change does not define the finer-grained
nlsmsg_read/write permissions or map specific nlmsg_type values to those
permissions in the SELinux nlmsgtab; if finer-grained control of these
sockets is desired/required, that can be added as a follow-on change.
We do not define a SELinux class for NETLINK_ECRYPTFS as the implementation
was removed in 624ae52845.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Stephen Smalley
2015-06-04 16:22:16 -04:00
committed by Paul Moore
parent 9e7c8f8c62
commit 6c6d2e9bde
2 changed files with 32 additions and 10 deletions
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22
security/selinux/include/classmap.h
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@@ -107,9 +107,6 @@ struct security_class_mapping secclass_map[] = {
{ "netlink_route_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", NULL } },
{ "netlink_firewall_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", NULL } },
{ "netlink_tcpdiag_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", NULL } },
@@ -120,19 +117,32 @@ struct security_class_mapping secclass_map[] = {
"nlmsg_read", "nlmsg_write", NULL } },
{ "netlink_selinux_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_iscsi_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_audit_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", "nlmsg_relay", "nlmsg_readpriv",
"nlmsg_tty_audit", NULL } },
{ "netlink_ip6fw_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", NULL } },
{ "netlink_fib_lookup_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_connector_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_netfilter_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_dnrt_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "association",
{ "sendto", "recvfrom", "setcontext", "polmatch", NULL } },
{ "netlink_kobject_uevent_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_generic_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_scsitransport_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_rdma_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "netlink_crypto_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "appletalk_socket",
{ COMMON_SOCK_PERMS, NULL } },
{ "packet",