diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index f40c8221ec1..b13be15165f 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -630,6 +630,16 @@ static inline u16 inode_mode_to_security_class(umode_t mode) return SECCLASS_FILE; } +static inline int default_protocol_stream(int protocol) +{ + return (protocol == IPPROTO_IP || protocol == IPPROTO_TCP); +} + +static inline int default_protocol_dgram(int protocol) +{ + return (protocol == IPPROTO_IP || protocol == IPPROTO_UDP); +} + static inline u16 socket_type_to_security_class(int family, int type, int protocol) { switch (family) { @@ -646,10 +656,16 @@ static inline u16 socket_type_to_security_class(int family, int type, int protoc case PF_INET6: switch (type) { case SOCK_STREAM: - return SECCLASS_TCP_SOCKET; + if (default_protocol_stream(protocol)) + return SECCLASS_TCP_SOCKET; + else + return SECCLASS_RAWIP_SOCKET; case SOCK_DGRAM: - return SECCLASS_UDP_SOCKET; - case SOCK_RAW: + if (default_protocol_dgram(protocol)) + return SECCLASS_UDP_SOCKET; + else + return SECCLASS_RAWIP_SOCKET; + default: return SECCLASS_RAWIP_SOCKET; } break; @@ -2970,6 +2986,8 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in /* * If PF_INET or PF_INET6, check name_bind permission for the port. + * Multiple address binding for SCTP is not supported yet: we just + * check the first address now. */ family = sock->sk->sk_family; if (family == PF_INET || family == PF_INET6) { @@ -3014,12 +3032,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in goto out; } - switch(sk->sk_protocol) { - case IPPROTO_TCP: + switch(isec->sclass) { + case SECCLASS_TCP_SOCKET: node_perm = TCP_SOCKET__NODE_BIND; break; - case IPPROTO_UDP: + case SECCLASS_UDP_SOCKET: node_perm = UDP_SOCKET__NODE_BIND; break; @@ -3389,7 +3407,7 @@ static int selinux_nlmsg_perm(struct sock *sk, struct sk_buff *skb) err = selinux_nlmsg_lookup(isec->sclass, nlh->nlmsg_type, &perm); if (err) { if (err == -EINVAL) { - audit_log(current->audit_context, AUDIT_SELINUX_ERR, + audit_log(current->audit_context, GFP_KERNEL, AUDIT_SELINUX_ERR, "SELinux: unrecognized netlink message" " type=%hu for sclass=%hu\n", nlh->nlmsg_type, isec->sclass); |