diff options
| -rw-r--r-- | security/landlock/net.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/security/landlock/net.c b/security/landlock/net.c index e6367e30e5b0..59438285e73b 100644 --- a/security/landlock/net.c +++ b/security/landlock/net.c @@ -62,9 +62,6 @@ static int current_check_access_socket(struct socket *const sock, if (!subject) return 0; - if (!sk_is_tcp(sock->sk)) - return 0; - /* Checks for minimal header length to safely read sa_family. */ if (addrlen < offsetofend(typeof(*address), sa_family)) return -EINVAL; @@ -214,16 +211,30 @@ static int current_check_access_socket(struct socket *const sock, static int hook_socket_bind(struct socket *const sock, struct sockaddr *const address, const int addrlen) { + access_mask_t access_request; + + if (sk_is_tcp(sock->sk)) + access_request = LANDLOCK_ACCESS_NET_BIND_TCP; + else + return 0; + return current_check_access_socket(sock, address, addrlen, - LANDLOCK_ACCESS_NET_BIND_TCP); + access_request); } static int hook_socket_connect(struct socket *const sock, struct sockaddr *const address, const int addrlen) { + access_mask_t access_request; + + if (sk_is_tcp(sock->sk)) + access_request = LANDLOCK_ACCESS_NET_CONNECT_TCP; + else + return 0; + return current_check_access_socket(sock, address, addrlen, - LANDLOCK_ACCESS_NET_CONNECT_TCP); + access_request); } static struct security_hook_list landlock_hooks[] __ro_after_init = { |