selinux/nlmsg: add a build time check for rtnl/xfrm cmds

[cascardo/linux.git] / security / selinux / nlmsgtab.c

diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index 2df7b90..2bbb418 100644 (file)
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -73,6 +73,9 @@ static struct nlmsg_perm nlmsg_route_perms[] =
        { RTM_NEWMDB,           NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
        { RTM_DELMDB,           NETLINK_ROUTE_SOCKET__NLMSG_WRITE  },
        { RTM_GETMDB,           NETLINK_ROUTE_SOCKET__NLMSG_READ  },
+       { RTM_NEWNSID,          NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
+       { RTM_DELNSID,          NETLINK_ROUTE_SOCKET__NLMSG_READ  },
+       { RTM_GETNSID,          NETLINK_ROUTE_SOCKET__NLMSG_READ  },
 };
 
 static struct nlmsg_perm nlmsg_tcpdiag_perms[] =
@@ -100,6 +103,13 @@ static struct nlmsg_perm nlmsg_xfrm_perms[] =
        { XFRM_MSG_FLUSHPOLICY, NETLINK_XFRM_SOCKET__NLMSG_WRITE },
        { XFRM_MSG_NEWAE,       NETLINK_XFRM_SOCKET__NLMSG_WRITE },
        { XFRM_MSG_GETAE,       NETLINK_XFRM_SOCKET__NLMSG_READ  },
+       { XFRM_MSG_REPORT,      NETLINK_XFRM_SOCKET__NLMSG_READ  },
+       { XFRM_MSG_MIGRATE,     NETLINK_XFRM_SOCKET__NLMSG_WRITE },
+       { XFRM_MSG_NEWSADINFO,  NETLINK_XFRM_SOCKET__NLMSG_READ  },
+       { XFRM_MSG_GETSADINFO,  NETLINK_XFRM_SOCKET__NLMSG_READ  },
+       { XFRM_MSG_NEWSPDINFO,  NETLINK_XFRM_SOCKET__NLMSG_WRITE },
+       { XFRM_MSG_GETSPDINFO,  NETLINK_XFRM_SOCKET__NLMSG_READ  },
+       { XFRM_MSG_MAPPING,     NETLINK_XFRM_SOCKET__NLMSG_READ  },
 };
 
 static struct nlmsg_perm nlmsg_audit_perms[] =
@@ -143,6 +153,8 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
 
        switch (sclass) {
        case SECCLASS_NETLINK_ROUTE_SOCKET:
+               /* RTM_MAX always point to RTM_SETxxxx, ie RTM_NEWxxx + 3 */
+               BUILD_BUG_ON(RTM_MAX != (RTM_NEWNSID + 3));
                err = nlmsg_perm(nlmsg_type, perm, nlmsg_route_perms,
                                 sizeof(nlmsg_route_perms));
                break;
@@ -153,6 +165,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
                break;
 
        case SECCLASS_NETLINK_XFRM_SOCKET:
+               BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_MAPPING);
                err = nlmsg_perm(nlmsg_type, perm, nlmsg_xfrm_perms,
                                 sizeof(nlmsg_xfrm_perms));
                break;